Vitamin K: Your Osteoporosis Knight In Shining Armor

If you’ve been diagnosed with osteoporosis or osteopenia, it is more than likely that your doctor prescribed an osteoporosis drug such as Fosamax followed by the proverbial calcium recommendation.

That’s exactly what happened to me after I was diagnosed with osteoporosis. My doctor also advised me to “drink plenty of milk”. Luckily, I did not follow his flawed advice and instead, I embarked on my own quest to conquer osteoporosis which culminated in the Save Our Bones Program.

Today, I want to share with you yet another piece of valuable information about a little-known bone health gem. It is vitamin K, best known for its blood clotting functions. In fact, vitamin K gets its name from the first letter of the German word “koagulation.”

If you are taking anticoagulant drugs, your doctor will most probably let you know that vitamin K counteracts the intended effects of your prescription and that you need to discuss with him or her your vitamin K intake. Otherwise, vitamin K is widely ignored by mainstream medicine, even though it is essential to your bone-building capacity.

Vitamin K helps your bones

Vitamin K is related to osteocalcin, also called bone Gla protein, which is a calcium-binding protein synthesized by osteoblasts or bone-building cells. It also works synergistically with vitamin D to regulate the production of osteoclasts, cells that remove old bone so that new bone can be deposited in its place.

In Chapter 3 of the Save Our Bones Program I write that bones are made up of 65% mineralized collagen and 35% collagen matrix made of minerals and other nutrients. The most prevalent mineral in bones is calcium. The calcium-binding capacity of osteocalcin is activated when it is chemically altered through a vitamin K-dependent process known as carboxylation.

Bone health benefits of Vitamin K stun researchers

Many scientific studies confirm Vitamin K’s positive effects on bone-building processes. One good example is an article published in the European Journal of Pharmacology by Akiyama and team. The researchers actually identified a process where a form of vitamin K2, a menaquinone known as MK-4, inhibits the formation of osteoclasts (Effect of vitamin K2 [menatetrenone] on osteoclast-like cell formation in mouse bone marrow cultures. 1994).

Interestingly, bisphosphonate drugs attempt to perform a similar function, but fail miserably at matching the well-coordinated performance of vitamin K. Because bisphosphonate drugs damage and distort osteoclasts, while vitamin K helps coordinate the right amount of osteoclast production with other bone cells so as to achieve the appropriate balance.

You see, bisphosphonates are synthetic drugs deprived of a biological role in bone metabolism unlike vitamins and other natural elements. How sad that this crucial distinction is ignored by mainstream medicine!

Another study on vitamin K and fracture prevention had such unexpected positive results that even its lead author, Dr. Angela Cheung, touted it “surprising”. (Vitamin K Supplementation in Postmenopausal Women with Osteopenia [ECKO Trial]: A Randomized Controlled Trial. 2008). Published in the journal PLoS Medicine, the study involved 440 postmenopausal women diagnosed with osteopenia.

Half of the participants were given a vitamin K1 supplement and the other half took a placebo for two years, with 261 continuing for two more years. While bone density scans showed equal bone loss in both groups, over the four year study period more than double the women who took the placebo suffered fractures compared to the group that took the vitamin K. But unfortunately…

Mainstream medicine is curiously skeptical of vitamin K’s bone health benefits

Typical of the complete disregard for natural health solutions in mainstream medicine and despite her excellent study results, Dr. Cheung is skeptical. She writes that it is “premature” to recommend vitamin K to osteoporosis patients. And Dr. Roberto Pacifici, director of the division of endocrinology at Emory University in Atlanta, commented on the same study in a WebMD interview that he was unimpressed with the results and that “people should not go out and buy vitamin K because of this study.” But why not? Especially since…

A myriad of other scientific studies also support the use of vitamin K for bone health

It seems that most doctors have conveniently forgotten about the Nurses’ Health Study that followed 72,327 registered nurses for ten years. This is one of the largest research projects showing that nurses with the lowest vitamin K intake had a 30% higher risk of hip fracture than those with the highest vitamin K intake (Feskanich D. et al. “Vitamin K intake and hip fractures in women: a prospective study”. American Journal of Clinical Nutrition. 1999). The median vitamin K consumption for this study was 169 micrograms per day, all derived from foods sources rather than from supplements. Diane Feskanich writes that this “…suggests the need for a higher vitamin K requirement than the current recommended dietary allowance…”

Just because doctors turn their back on such an excellent bone health vitamin, it doesn’t mean that you should too. So am giving you the…

Best sources of Vitamin K

All varieties of vitamin K are fat-soluble and belong to a chemical category called naphthoquinones, but there are two basic types of vitamin K. Phylloquinones, or vitamin K1 which is made by plants and menaquinones or vitamin K2 synthesized by intestinal bacteria.

Unlike vitamin K1, vitamin K2 does not concentrate in the liver. The body stores only limited amounts of vitamin K in the liver, so it is important to have enough bio-available K2 in the body.

vitamin kThe richest dietary sources of K1 are green leafy vegetables, such as spinach, Brussels sprouts, green beans, asparagus, and broccoli. Green peas, romaine lettuce, and bell peppers are some of the less concentrated but still very good sources of this vitamin. Even spices such as fresh parsley, oregano, thyme, basil, black and cayenne pepper are rich in vitamin K1.

Even though it is fat-soluble, there is no documented toxicity with high doses of vitamin K, with the exception of synthetic K3 or menadione, which I do not recommend.

The Adequate Intake (AI) for vitamin K for adult women is 90 micrograms and 120 micrograms for men. To give you an idea of what a low level this is, one cup of boiled spinach has 889 micrograms of vitamin K1.

If you are following the Save Our Bones Program it is really easy for you to get enough vitamin K1. However, for maximum bone-building benefits I recommend you add a K2 supplement to your dietary intake.

The best natural source of vitamin K2 is derived from fermenting a unique form of soy known in Japan as natto. If you are on anticoagulant medication, it doesn’t necessarily mean that you won’t be able to supplement vitamin K, but you should consult with your doctor.

Are you already taking a vitamin K supplement? Will you start now? Share your thoughts with us by leaving a comment below.

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472 comments. Leave Yours Now →
  1. tron August 31, 2017, 12:33 pm

    i took a (very low-dosaged; around 70 mcg/day) MK-7 -suppplement for approximately the last two weeks and i feel like it´s giving me “heart issues”..for the last six days, i experience pain-sensations – which i assume come from the heart….after taking one day off, i felt better already; resumed since then.. i am pretty frustrated…thinking about switching to MK-4…might that help ? …ate natto for the first time today, but … well… 🙂
    before that i must have had plenty of K1 from my food (lots of broccoli and legumes) and felt great (in heart-ways)…will be relying on K1 alone (+Vit D3 and suffiicient Ca-intake) be enough to maintain bone-health, when you just consume enough ? thanks in advance

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  28. Niti May 24, 2017, 4:10 pm

    Valuable information here. Thank you!
    I need your expert opinion for my parents. They are 65 year old, in overall good health and stay in India.
    My mom has osteopenia and low levels of Vitamin D3 despite of taking 50,000IU every week. She had her gall bladder removed 20 years back for gall stones. I assume thats the reason for poor Vitamin D3 absorption.
    In that case I was thinking getting Vitamin D3 from exposure to sun everyday for 30 mins at least and adding Vitamin K2 as a supplement.
    Do you recommend natural sunshine and supplement combination? Also what dosage of K2?
    Thank you again, Niti

  29. Sue March 11, 2017, 11:01 am

    I have a parathyroid ,hyperthyroid and have osteoporosis in my one wrist. My calcium 10.5. My endo watching my numbers . Can I take k2 for putting the calcium in the right place…my bone not blood

    • Tony May 2, 2017, 5:36 pm

      Go to parathyroid.com. You likely have a tumor that MUST be removed. It’s bad to “watch” the numbers. Your numbers should be in the 9s. You need the easy surgery shown on that website. The vitamin k will help you only after any tumors are removed.

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  34. l bury February 9, 2017, 12:05 pm

    had a heart attack 7 yrs ago (blood clot) I have osteoporosis 4 compression fractures and take 45000 Mcg K2 and400Mg calcium and 2000 IU Vit D Is that too much Vit K?

    • Mary February 23, 2017, 2:44 pm

      Do you really mean 45000 of K2? That seems a bit high even for MK4 form that requires a higher dosage than MK7.

      I understand that Canadians are limited to 200 mcg of any K form so MK7 is probably the most useful @ about 90-120 mcg.

      • Rosina Lock June 1, 2017, 1:24 am

        No Mary, I bury means she is taking 45mg total, 45,000 mcg is 45 mg which is what you would need to take if you have chronic osteoporosis. I hope she is taking 35mg of fat with it, Vitamin K2 is a fat soluble vitamin. This is what was used in the Japanese trials K2-MK-4, NOT K2-MK-7
        Rosina Lock AMANF.ICNHS.RSA

  35. Evelyn Oden December 8, 2016, 8:26 am

    Vivian, good morning, I take true osteo, is that not enough vitamin k?

  36. Trevor Russell December 6, 2016, 6:57 am

    I have quite severe osteoporosis and among other remedies I have purchased the Vitacost Ultra K2 as recommended by you. My question is should I just take their recommended dose of 1 softgel per day or should I increase this for a therapeutic dose? Many thanks.

    • Vivian Goldschmidt, MA December 6, 2016, 8:11 am

      The recommended dose is a good place to start, Trevor – you don’t want to cause an imbalance.

      • Aqua January 7, 2017, 7:45 pm

        There is no evidence of toxicity with Mk7.
        Is that a lab coat you are wearing? I don hope not, as there are far too many online ‘health experts’ who are using them to manipulate people to buy stuff…

  37. Patti Jackson November 27, 2016, 9:44 am

    My Dr wants me to start Fosomak next month now after reading above info I think I will first try Vit K2 w magnesium/ D3 / I eat healthy & workout sooo will keep reading all this helpful information. :). Patti

  38. Kathy November 1, 2016, 8:59 pm

    Hello, My name is Kathy and I’m 45 years old. I have had 4 stress fracture in 4 years. I run marathon and was looking to find someone out there that could be like me. I just recently had another bond density test done and compared it to my other one just 10 months prior. My bones have decreased .2%(meaning worse).This is my fifth bone density test done and this has been the only one that I have had a decrease on. All of my other tests have always be improvements I just was diagnosed with a stress fracture on my informal neck bone on September 23, 2016. What do you think I should do? Will this program work for someone that loves to run. I use to run in high school and started running again 21 years later. Everyone thinks my problems is because I run fast. My normal pace is an 8:15 min pace. I can run 20 miles at an average 8 minute pace and have no problem. My body doesn’t feel run down or drained after I run! I feel great and most of my friends are furious with me. Running to me is very important because it is something that I enjoy doing.

    • David Sander December 29, 2016, 11:25 pm

      Hi Kathy, I’ve run over a dozen marathons too. You stress fractures are likely due to extra needs for vitamin D, Vitamin K2, and protein caused by your extensive training. At 45 your body is going to have a lower rate of recovery and here is how to make the most of it.. Get good rest one of two days of the week to allow your bones to recover. If you train too hard, don;’t eat right, and get into a high cortisol condition, the body stops making vitamin K2 and building new bone. Its known that marathoners who train seven days of the week get this problem. So get your rest.
      To assist your bones in recovery, do the following. Take 1000 to 1200 IU of vitamin D3 per 25 pounds of weight every day, or 5000 IU to 8000 IU. Take 5 mg of MK4 vitamin K2 ( available from Carlson) twice a day with a fatty meal. Take at least 65 grams of protein per 110 pounds of weight (this is 1.2 g/kg/day). Take 6 to 12 mg of boron and 5000 IU of retinol vitamin A in cod liver oil or a supplement; do not take the beta carotene form. Get about 500 mg to 800 mg of calcium from all sources and take 200 mg to 400 mg of magnesium in an organic form you are comfortable with. Running and sweating causes iodine loss, so take one or two 225 mcg iodine pills having kelp as a source.
      The vitamin D is important and will help you to absorb calcium. The MK4 vitamin K2, retinol vitamin A and heavy protein intake will help the bone make new connective tissue. Bones are 50% protein by volume and the connective tissue gives them their tensile strength and impact resistance. If you body is short of protein, it shuts down bone remodeling to conserve protein! The boron and iodine will improve your bone hardness, conserve calcium, and improve your recovery rate.
      The function of protein and vitamin K2 in improving bone health is generally unknown by doctors. So you don’t have to stop running, but you need to be more careful about recovery and eating what the body needs for repair.

      • Rosina Lock June 1, 2017, 1:31 am

        Hi David, what a terrific review you just gave! At last, someone who knows what they are talking about! You suggested K2-MK-4! Perfect! I hope the lady takes your excellent advice! This K2-MK-7 has been so hyped up, almost every seller is selling this product, many experiencing awful side effects, and many hyping it up too! It was K2-MK-4 that was the one used in the Japanese trials, and this is one people should be going for. Yes, Thorne’s and Carlson’s products are very expensive but they do last a long while. Rosina Lock A.M.A.N.F.ICNHS.RSA (NOTHING TO DO WITH THE NHS!!) LOL

  39. Jo-Jo October 6, 2016, 2:33 pm

    I take drugs to lower my blood pressure since my heart attack. I also have ostropenia.
    Is Vitamin K some thing I should take or stay away from?

  40. Judith September 5, 2016, 2:16 pm

    I started taking K2 MK7 about a year and 1/2 or 2 years ago. I have also increased my exercise (yoga, walking). I just complete a bone density scan. My spine BMD improved dramatically to -1.9. However, my femoral neck continued to decrease, now at -3.1, My doctor is convinced that I need to start Reclast. As you all can imagine, I am in a bit of a quandary. My other vitals: age 69, female, under 5 ft., and 114 lbs.

  41. Gary Murtha August 28, 2016, 5:28 am

    I meant to say my GP does not. I take MK7.

  42. Gary Murtha August 28, 2016, 5:25 am

    I am a 67 yr old male diagonised with osteopenia a number of years ago. I have taken Caruso’s Vitamin K2 for a year and have just had a BMD scan. In one year I have had an increase of BMD in lumbar spine of 4% , femoral neck increase 1%. I feel this is significant however my GP does but I will continue to take it. Anyone out there tell me if you consider it a significant increase.

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  44. judith May 10, 2016, 1:50 am

    hiya just been diagnosed with oestiopina can somebody please help been told to take k2 but have no idea which one to take there is so many do I take mk4 or mk7 please help thankyou

    • Vivian Goldschmidt, MA May 10, 2016, 6:56 pm

      Hi Judith,

      While there is no definitive answer as to which one will best prevent fractures, here’s some additional info about Vitamin K, both MK4 and MK7. The larger issue is that focusing on any one supplement is not the answer and that no one supplement is responsible for preventing fractures, and that the Save Our Bones Program as a whole is designed to do just that. 🙂

      K2 can be subdivided into menaquinone-4 through -14. The number represents the length of the side chain attached to the napthoquinone ring.

      MK-4 is synthesized in small quantities by mammals (including humans, of course) from plant-made K1 (phylloquinone).

      The Linus Pauling Institute writes in great detail about this, including multiple meta-analysis as it relates to bone health and osteoporosis:

      http://lpi.oregonstate.edu/infocenter/vitamins/vitaminK/

      MK-7 has exhibited a larger half life in human plasma than MK-4, but researchers were not able to determine if this had an effect on bone health. However, a study on rats published in the Journal of Nutrition measured the exact same half-life for both.

      One study has shown that MK-4 has effects on gene expression in bone tissue that MK-7 doesn’t have. Study: Ichikawa T, et al. “Vitamin K2 induces phosphorylation of protein kinase A and expression of novel target genes in osteoblastic cells.” Journal of Molecular Endocrinology. 2007 Oct;39(4):239-47.

      These findings make sense, since colostrum is very rich in MK-4, so rapidly growing infants who are breastfed naturally get high levels of MK-4 as compared to other menaquinones.

      • Rosina Lock June 1, 2017, 1:36 am

        Hi Vivien, what a nice site you have. You certainly know what you are talking about versus K2-MK-4 and K2-MK-7. Yes, it’s the K2-MK-4 people should be taking if they really want to get well, especially for bone health, and osteoporosis. Rosina x

  45. Dennis May 2, 2016, 6:11 pm

    Dont bother with K1 from veggies !
    K1 is mainly for blood clotting and has NOTHING to do with bones and heart health.
    Our bodies convert an extremely small amount of K1 to K2.
    So you need food or supplements to get enough K2.

    MK7 is supposedly natural, but for some, including me, taking more than 200mcg can cause some irregular heart beats.

    MK4 is synthetic and you need very large doses. 20mg and above spread out.
    For therapeutic, you need 45mg +

    take 1000IU D2 per 100mcg MK7
    Ive not seen ratios for MK4

    K2 addresses potential toxicity of D3 !
    Use magnesium too to help the effects.

  46. boopedo February 19, 2016, 8:24 pm

    I liked this article and have been researching bone density supplements and treatments for many years. I have had osteoporosis for 23 years and never had dense bones in the first place. What I don’t like about his article is that it does not come out and tell you exactly what dosage to take, nor does it mention the “magic formula” (my own words) for osteoporosis of K2, D3, and Vitamin C with the dosages. I am only here because my husband threw out my bottle and I always refer to my old bottles to buy the new ones. I have so many vitamins I don’t recall exactly the dosage and what else was in it. I know it was K2 and mk something by NOW products. Yikes. I thought it was MK-7 and after reading this I don’t think that is what it must have been.

    • AP April 6, 2016, 11:31 pm

      Was it by Thorne Research?

    • Alison March 1, 2016, 6:47 am

      Yes it would have been K2 Mk7. I am sure I read on here about that. I have been taking it for probably more than a year, along with Green Calcium and Chelated Magnesium, all because it was recommended from, Vivian I thought.

  47. Cheryl January 12, 2016, 9:44 am

    I was diagnosed with Ostepenia in my hips in 2003. My Dr. Requested I take vitamin K2 daily along with Calcium. Today I am still taking both and just recently had a bone density test and the results showed I have had very little bone loss in my hips since 2003. I feel Vitamin K-2 is helping to keep my bones strong.

    • Marilyn February 4, 2016, 8:32 pm

      Cheryl, Do you mind sharing the dose you took and also was it MK4 or MK7? Thank you!

  48. Ellen B. December 3, 2015, 10:36 am

    Anyone on this site who has had Prolia injections or been recommended to be on Prolia for osteoporosis? My Endo wants me on it – but no thanks. The side effects sound too gruesome.

    • Joan Marks March 15, 2017, 5:48 pm

      I also was told to take promise..Read up on it and no way..Too many side effects.I have osteoporosis, bad and don’t want to take any prescriptions my doc recommens.Not sure what to do..Help !!!

    • Cathy January 26, 2017, 4:30 pm

      I had Prolia injections with a slight increase in bone density, but the side effects were and continue to be horrendous!

    • Kathy November 1, 2016, 9:10 pm

      My doctor wants me to take Prolia also. I’ve been on prescription now for almost two years. Just had another bone density test now because I had a stress fracture on my ill femoral neck bone. My results came back worse then before. I’m scheduled to start Prolia on the 9th of November. I run marathon and the doctor says this is the only way that I will be able to run is if I take it. I thought about doing it naturally but doctor says its not strong enough. So confused…

    • Angela65 September 29, 2016, 2:25 am

      Absolutely no side effects on Prolia. NOTHING!!! Don’t worry. 🙂

    • Zimexlady March 31, 2016, 5:57 pm

      Ellen B
      I have refused two endocrinologists who wanted me on Boniva or Prolia. I have told them I want to tackle the high calcium blood count, not the osteoporosis. I am taking K2MK7 on my own because my endo refuses to even look into this vitamin. My friend said her doc took her off of. K2 because “it is toxic”.
      I believe these docs are in cahoots with Big Pharma. I have read that “if a patient has had no fractures, they should NOT start any of these meds”.
      Who are we supposed to trust? I will try K2 until my DEX and blood lab reports in August tell me if My numbers are better or worse.
      No side effects with K2.
      Best wishes. Decide for yourself. I want to eliminate the cause, not worry about the effects.

      • Lynn June 14, 2016, 8:30 am

        If you have high blood calcium, please read parathyroid.com to learn why even slightly elevated blood calcium is bad. Mine was 10.6 but I felt just awful until I self diagnosed after reading this website.

        • Joanne August 2, 2016, 2:18 pm

          I have hyperparthyroid and had a failed surgery. So I am on Prolia. I was in a study for two years. The prolia lowered my Blood Calcium Levels. I have had no side affects. And Bone Density has been getting better that I am almost normal in the hips and spine. I was told to take K2 for Bone health by an orthopedic and have started it, my endocrinoligists says I am wasting my time. I am getting blood work in a month and I will see if anything has changed. If anyone has had an experience in this please let me know.

          • Mary February 23, 2017, 2:53 pm

            Joanne,
            Most MDs will not recognize that ANY supplement can be useful.
            Search Dr. Google for info about Vitamin K2 forms. It helps keep the calcium out of the blood.

  49. helen October 9, 2015, 5:23 pm

    I was diagnosed with Osteopenia, my diet mainly consists of greens and lean protein, and I workout regularly. My ND prescribed Vitamin K2 45 mg, 500 mg calcium and 2000 Vitamin D. I finally found K2 Thorne brand in a liquid. It is rather expensive. $69 for 1 ounce. Does anyone have a source they have found which is affordable. Thank you

    • Linda April 17, 2016, 6:57 pm

      Check out Andrew Lessman vitamins on Procaplabs.com. He makes the best vitamins, and will educate you on all the vitamins he makes. He is so knowledgeable and informative. Read on his vita K-2 MK-7 complex. and why you should take it with calcium/magnesium, 500 and D3 2000. His vitamins are high quality, no fillers and additives of any kind and no upset stomach. The prices, considering what is in his vitamins is not expensive at all. You could check him out on HSN.com as well.

    • Michel December 24, 2015, 4:04 am

      I just ordered Bluebonnet vitamin K2 brand, It looks good, From Natto non-gmo soy.

      • Zimexlady March 31, 2016, 6:06 pm

        I bought Jarrow melts and NattoMax 100mg (30 caps) and (60 melts) @ 500
        mcg for $40 at Natural Grocers aka VitaminCottage. They are very knowledgeable about K2.

        • lns May 27, 2016, 4:26 pm

          Amazon has at least two suppliers that sell MK4 @ 15 mg. 90 caps. It is the best prices I’ve found so far.

          • Rosina Lock July 7, 2016, 11:06 pm

            I purchased K2-MK4 from Oxford Vitality, for £9.99 from either Ebay or Amazon.co.uk postage free. 100 mcg and 120 capsules x 2 equals they send you two packages, which I think is brilliant. I have heard so many horrifying stories concerning K2-MK7 which I bought in error I am trying to return it, as whilst it might be fine for some? I don’t want the side effects that has caused horrendous problems from people on at least 8 sites I read all the reviews which took me hours. It seems many favour K2-Mk7 due to it lasting 3 days in the system? But give me K2-M4 to which I have heard a lot of good things about. But our bodies are all different and what might suit one might not suit another, It is very hard to obtain MK4! I think MK-7 has been hyped up too much, so I want to play it safe and take K2-M4. I was taking this about a year ago, and like a lady here I accidentally washed the empty glass bottle out lol, and then I came across MK7, but realised after ordering it NOO!! This wasn’t the one I was taking. Good luck everyone on your search for good health! Cos you won’t get it by visiting your doctors! Rosina x

  50. Shelly August 24, 2015, 9:35 pm

    Go to Dr mercola’s website mercola.com so much info in there , everything you ever wanted to know. I buy calcium with vitamin D and K2 and I’m also juicing veggies. Vitamin K2 is the one you want. K2 is the vitamin that makes sure the calcium goes where it’s needed. I take magnesium (from magtein) which I also buy from their website.

  51. madlyn July 8, 2015, 1:43 pm

    I have not been able to find any info on the Internet as to whether it’s o.k. to take vit. K2 if you’re taking one baby aspirin a day. My Dr.’s don’t know a thing about Vit. K. My main Dr. said, “No one in the U.S.A. is deficient in Vit. K.” She didn’t even know there was a K1 & a K2. So so much for “ask your physician.” Has anyone been able to find any info on this question? Would be grateful to hear from you & know where you found the info. Thanks.

    • Zimexlady March 31, 2016, 6:12 pm

      Madlyn
      Same with my docs.
      I believe they “know” about K2 but all deny it. My doc would not even look it up at my request and she keeps pushing Prolia even though I have never had a fracture and am barely into the osteo DEX scan level.
      Will I be able to sue the doc when I end up in a wheelchair after two
      Prolia shots as reported by one patient?

      • lns May 27, 2016, 4:39 pm

        I kept switching drs. because all they would do is try to get me to take this pill this or that pill for that. I found that D.O.’s are more receptive (in general, not all) to letting you do your own thing as long as they don’t believe it is harming you. MD’s and DO’s are both doctors, they are just trained differently. Mine was going over the list of supplements I take and when got to the K2 MK4, she commented “I’ve heard good things about this”.

        Those who take calcium, please do some more research. Dietary is better in this case without helping things like kidney stones, calcium in the blood rather than in the bones, etc. I take supplements, but calcium is not one of them no matter what drs. tell you. Vit K2 supposedly puts the calcium in the bone, otherwise it can end up as plague in your arteries. At least that is where my research has led me. Take it for what it is worth.

        • Rosina Lock August 7, 2016, 1:51 am

          Regarding the message from Ins, yes I totally agree with her/him! I don’t think one should be taking calcium! It is causing a lot of problems with people. K2-MK4 puts the calcium where it belongs, so why take calcium? Like Ins suggest please research properly before taking Calcium I believe it will do more harm than good from what I have read on many many forums! I hope this is of help.

  52. Judy July 2, 2015, 3:59 pm

    I have a diagnosis of osteoporosis and have been advised to consider Prolia as the next option. I work out 5 days a week and I am putting on muscle. I take the calcium/D supplement only. Could you advise any resources to help me make an informed decision with regard to Prolia? Thank you.

    • sharlee October 28, 2015, 4:29 pm

      I also have osteoporosis and was on Prolia for 2 years
      and it did not help my bones at all! I take Vitamin D
      and calcium also. Trying to find out now if I can take
      Vitamin K along with Actonel which I am on now. Good
      luck! Sharlee

      • Paulette March 8, 2017, 1:00 pm

        Do you have side effects from the actonel?

    • Carolyn July 21, 2015, 8:59 am

      GET A NEW MORE INFORMED DR.

      • Zimexlady March 31, 2016, 6:16 pm

        I have had two endos pushing Prolia or Boniva, both denying that they ever heard of vitamin K2.
        Do you think they are in bed with Big Pharma?
        I DO.
        I went on K2MK7 on my own. No side effects. I also eat natto a few times each week.

    • Vivian Goldschmidt, MA July 2, 2015, 5:11 pm

      Hi Judy,
      There is a lot of information on Prolia on this site. Here is a review I wrote on this topic that should get you started on your research:

      https://saveourbones.com/prolia-denosumab-review/

  53. madlyn June 27, 2015, 2:58 am

    In looking at the comments I see that several other people have asked the same question I have == can you take vit k2 if you’re taking baby aspirin. But I don’t see any answers. Do you know anything about this Vivian? Would appreciate your help. Thank you for this website.
    And, by the way, I love Vitacost — not only for vitamins & supplements but for organic foods (nothing perishable of course) — great selection & prices & fast delivery & great customer service.

  54. marilyn scragg March 30, 2015, 1:51 pm

    How much vitamin k should you take with vitamin d3 and calcium. What vitamin k, 2 or 3 should you take

    • Vivian Goldschmidt, MA March 30, 2015, 3:16 pm

      Hi Marilyn,

      The answer to your question can be found on page 120 of the Save Our Bones Program:

      “It is really easy for you to get enough vitamin K1 when you follow
      the Save Our Bones Program. However, for maximum bone-building
      benefits I recommend you take at least 50 micrograms of K2 daily to
      supplement to your dietary intake. The best natural source of vitamin
      K2 is derived from fermenting a unique form of soy known in Japan as
      natto, and it is available in capsule form.”

      • Tebags October 30, 2015, 4:41 am

        I’m no doctor just a nurse interested in looking after her health and I can only pass on what I’ve found in literature via the web, but for those interested in naturally topping up their K2 supplement but can’t tolerate natto. Dr Mercola recommends certain hard Cheeses are rich in Vit K2 …Gouda and Brie all have about 75mcg per ounce plus Edam (not quoted as mcgs per ounce). But here’s a link to the article and there’s an interesting interview with a Dr Kate Rheaume-Bleu who’s a naturopathic specialist in this field.
        http://articles.mercola.com/sites/articles/archive/2013/10/19/vitamin-d-vitamin-k2.aspx
        Hope this helps someone, regards

      • Kathy April 2, 2015, 8:37 pm

        What do you recommend if you cannot take products containing soy?

        • KP October 12, 2015, 5:29 pm

          It does not contain soy, they use the bacteria grown on it.

        • Customer Support April 4, 2015, 12:33 pm

          Kathy, Vivian recommends the Vitacost supplement above as well – just click on the link in the pink box. 🙂

  55. Annie Matthes June 29, 2014, 4:42 pm

    Wonderful information. My doctor wanted me to get infusion of Reclapse and I said no after i read the side effects. I did some research and got a soft gel multi vitamin with D3 1000 IU, K2 80 mcg, and another soft gel with Magnesium 250 mg, K2 40 mcg and D3 1000 IU. I would take both vitamins daily. I upped my exercise at the gym and doing exercises at home between gym visits.I am 78 and have osteoporosis. I have fallen twice in the last year and my forearm hit the side of a door frame and did not break and the second time my dogs leashes got caught in my legs and fell on my knees and nothing broke. I was in an auto accident 1 year ago and my back was wrenched and Pet Scan showed no fractures. So I wonder.

  56. Lindsay B Rennie April 14, 2014, 10:54 am

    Always glad to get Save Our Bones as this reminds me of the natural foods to eat and those to try to avoid or take in moderation. thanks once again Vivian

  57. Pamela September 30, 2013, 10:56 pm

    I am recovering from estrogen positive breast cancer – can I still take Vit K?

    • Frank July 26, 2015, 3:16 pm

      In my search to help my wife suffering from multiple compression fractures, I found that you can get Vitamin K2 from sour kraut, eggs, salami, and best of all Gouda cheese. If you search for the benefits Vitamin k2, you will a great deal of information . Frank

  58. * July 25, 2013, 6:39 am

    I forgot to mention…there is no possibility of overdosing of vitamin K (unless one somehow gets hold of vitamin K3, which is toxic and not supposed to be available to humans) because of the way it works:

    The K-dendent proteins are limited – you cannot activate any more than exist. You make more when you are sufficient in all the other nutrients (like D, for example), but this means that there is no toxicity in K.

    Diet can provide all you need, but it needs to be a different diet than most eat. Lots of real cheese (and it is interesting, but tough to eat tons of real cheese as satiety takes over). Organ meats (pate, liver, kidney) also provide lots of vitamin K2. Sauerkraut or kimchi or natto also offer lots of K2, some less so than others, but the live bacteria in them (you want raw and live for these foods) offer lots of benefits beyond just vitamin k2…they make for our gut bacteria to be optimal. This is a good thing. The bacteria have a phenomenon called lateral or horizontal gene transfer and this is how they make for healthy communities and thus add tons to OUR health.

    Those supplementing need to consider dietary changes. Not that supplements are bad, but we get more from live raw fermented veggies or legumes, cheeses, egg yolks, full fat dairy, real yogurt (not the weird fake stuff with aspartame), etc. EAT FERMENTED FOODS LIKE IT IS YOUR JOB.

    • Mary February 23, 2017, 2:59 pm

      Some cannot tolerate fermented foods while others benefit.

  59. Micki July 25, 2013, 6:28 am

    Love your insights into vitamin K but need to correct a few things and add a few things:

    Vitamin K2 is made by gut bacteria, but it is for them and we absorb almost none (actually, none) from their creation. It is for their energy and their electron transport and this mistake has lived on too long. The reason that this mistake was made was that we used rodent models or rabbit models when we looked at vitamin K and they eat their poop. The bacteria in their guts make this K2 and they then consume it and add to their intake of vitamin K2. We do not eat our poop and we need bile salts to absorb intestinally made vitamin k2, which is not available since these bacteria are so low in our guts. This mistake needs to be overturned ASAP.

    You will find this interesting
    Statins and Bisphosphonates Inhibit Menaquinone-4 Biosynthesis in Bone
    http://www.asbmr.org/Meetings/AnnualMeeting/AbstractDetail.aspx?aid=c2b01dc2-a02d-4e1c-88dd-f8f83332ebe7
    These drugs also inhibit other vitamin K-dependent proteins from activating such as matrix gla protein (essential for good cardiovascular heath), gas6 (involved in many things, but looks important for insulin sensitivity and likely more), TGFBI and periostin (huge for cancer prevention and possibly treatment). Thus, modern medicine has created drugs that muck up activation of proteins that ensure optimal health.

    The benefits of statins is that they prevent activation of NFkB, but so does vitamin K2. We need more K2 and not statins (nor bisphosphonates).

    Cholesterol biosynthesis is connected to vitamin K, but we have missed the nuances. When more K2 is consumed, or when more K1 is consumed and is converted to Mk-4 in the mevalonate pathway, cholesterol levels drop. This is poorly understood in conventional medicine, but instead of trying to lower levels of cholesterol, we need more vitamin K of all forms.

    Vitamin K2 in the diet appears to offer optimal benefits (beyond just bone) and it is high in some fermented foods, organ meats (the long chain menaquinones are in liver, kidney, various organ meats that we have lost in more recent times as we began to only eat muscle meats). Cheese is a typical EU source of long chain menaquinones, but if one looks into fermented foods of various cultures, it will become apparent that we lost them, the knowledge of them, and their benefits. We lost our food roots.

    In the mevalonate pathway we make cholesterol, CoQ10, and menaquinone as MK-4, on site, throughout the body. Thus, the statins and bisphosphonates that interfere with this biosynthesis (and also warfarin and I happen to think SSRIs, but this has not been studied to my knowledge) increase lots of bad health effects that includes increased risk of fracture because of this mechanism of interfering with a generally unappreciated biosynthesis.

    MK-4 is highest in brain but is also high in beta cells of pancreas, kidneys, heart and other locations.

    Vitamin K2 is the only fat soluble nutrient that does not have a dedicated carrier in the serum. It is used up fairly quickly and we need to consume vitamin K frequently. It works with other fat soluble nutrients and minerals, which are also insufficient in most diets. We need nutrient dense foods and we need to stop thinking about calories and, instead, seek optimal nutrients. The data support that this will optimize health and actually lead to weight reduction. Nuts, eggs, cheeses (not American, but fermented ones), organ meats, veggies with butter, etc are the way to make for better bones, better brains, better cardiovascular systems and better health.

    • Bella March 11, 2014, 11:53 pm

      our 12 lb. Pom was diagnosed with it approx. 2 years ago. Her body was a solid bright red purplish bruise. Her eyes were bloodshot. Her stool like tar. After the initial assessment, we followed directions and had her taking prednisone…After a few days her visible bleeding stopped, however in a short time her behavior became odd, and painful…..We opted against what vets said was lifetime prednisone. We weaned..We started her on 50 MCG vit. K 1. It has been 16+ mths and we have not since observed any signs of purpura. My question is, its ability to store in the liver, have there been any known human studies where it has harmed the liver? I feel that we on on our own as the vets we have encountered have 3 solutions. Prednisone, spleen removal with a low success rate, ongoing blood transfusions with a low success rate and more prednisone. I realize this is not a canine site. But I have been using humanoid” lol, sites to better assess her needs regarding itp. Thank you for your time.

  60. Jose L. Suescun June 30, 2013, 12:39 pm

    For Nancy, posting on March 15 with breast cancer and bone metastases: go on Protocel immediately, if you want to save your life. But I am afraid you will not read my post. If you do, you can email me at FIBROCAN@HOTMAIL.COM for more information

  61. ann June 14, 2013, 5:42 pm

    Yes excellent advice and you are so right..I can’t get Vitamin k at the moment

  62. mplo June 6, 2013, 10:55 am

    I’ve been taking Vitamin K-2 on a daily basis for roughly two months, and it’s made a difference in the way my bones feel.

  63. Cookie May 21, 2013, 9:49 am

    Thank you for all your wonderfull advise, articles and research.
    I am so gratefull to have found your site.

  64. craig10 April 27, 2013, 12:33 am

    My wife has osteo….she takes a supp with 40 mcg of k1 and 45 mcg of k2. Is this enough? It seems a bit light….

  65. Nancy March 15, 2013, 11:28 am

    Hi , I have recurrent estrogen positive breast cancer that has spread to my bones and I am currently on faslodex and xgeva. I have read a lot of great benifits of k2, but I have concerns of taking the supplement due to that the supplements are made with soy. Any info would be wonderful. Thank you so much

    • KP October 12, 2015, 5:30 pm

      They don’t contain soy, they are made from the bacteria grown on it.

  66. Colleen January 18, 2013, 6:13 pm

    Vivian:
    I appreciate your knowledge and advice about taking a K2 supplement. I currently take 2 – 100 mcg K2 supplements per day. I have been doing this for about 6 months after reading the excellent book “Vitamin K2 and the Calcium Paradox”, written by a Naturopathic Doctor, Kate Rheaume-Bleue. I am just getting started with your Save Our Bones program, and am excited about stopping the bone theives and building strong bones.
    Thank you,
    Colleen, BC, Canada

    • Betty January 19, 2013, 9:34 pm

      I am also taking K2 but not as much as Colleen. Not sure of maximum dosage. I attended a lecture here in Canada last winter by Kate Rheaume-Bleue the author of the book you mention. She was an inspiring presenter. Reminds me that I should get the book to read.

      Another Canadian book about Bone health is “The Bone-Building Solution” by Sam Graci with Dr. Carolyn Demarco & Dr. Letitia Rao (2006). I just pulled it from my shelf again to look at today because Dr. Rao was on our local radio station this morning to speak about Greens+ for bone health. We are fortunate to have a wonderful spokesperson Janet Jacks from Goodness Me health food stores on the radio each Sat morning with special guests on different topics. Perhaps Vivian would want these books for her research library.

      Thank you for this forum Vivian and for all the information you provide for us.

    • Vivian Goldschmidt, MA January 19, 2013, 4:39 pm

      Wonderful news, Colleen! Please let us know how the Program goes for you if you get a chance. I wish you good health!

  67. Betty January 18, 2013, 10:01 am

    I started taking K2 several months ago. Probably get enough K1 from greens I eat regularly. I hope it will have a positive outcome.

  68. Download music January 10, 2013, 2:54 am

    I just like the valuable info you supply to your articles. I will bookmark your weblog and take a look at once more here frequently. I’m relatively sure I’ll be informed many new stuff proper here! Best of luck for the following!

    • Vivian Goldschmidt, MA January 19, 2013, 4:38 pm

      I am so glad to hear that! Please keep visiting. 🙂

  69. Georgina December 22, 2012, 3:14 am

    (Health and Beauty) I am diabetic and sueffr from neuropathy (numbness) in my feet. Using Source Naturals Vitamin K2 has improved my circulation and restored some of the feeling in my feet and has reduced the amount of swelling that I experience in my feet on a daily basis. I shopped in vitamin stores, drug stores and on the Internet and found that Amazon offered the best price for this quality of vitamin K2.

  70. Anne Taylor November 29, 2012, 8:14 pm

    I have had a few episodes of A-fib in the past and I take nattokinase instead of coumadin as the doctor wanted; I am wondering if you know whether this type of natto contains K-2.

    • Mary January 23, 2014, 10:09 am

      Sometimes the K is removed from natto so I would not count on it being present.

      I have also read that K2 MK-4 needs a higher dose than MK-7 form to be effective.

      I fell in September, 2013 and was very fortunate I did not break my wrist. I strongly suspect it is my taking K2 plus D3 that assisted with that.

      I am now taking some VitaCost Ultra Vitamin K with Advanced K2 complex that has 3 forms of K present. I think this is the one Vivian recommends.

  71. Barb November 6, 2012, 9:47 pm

    Diagnosed with osteoporosis. Would love to fight this without taking osteoporosis medications.

  72. minnie October 31, 2012, 11:31 am

    Ma’am Vivian,

    My heartfelt gratitude for sharing your untiring effort in conducting research to give us positive outlook regarding our Bones problem. Your recommended diets rich in Vitamin K & all calcium rich food will surely be added in my daily recipe . but can you please recommend any liniment that could minimize the pain in my wrist joints? its unbearable sometimes. I’ve tried Elmore Oil & several others but its no use. can’t just take oral pain reliever given by my Physicians…Godbless

    • Jose L. Suescun December 25, 2012, 7:24 pm

      TakRub down Southanol 2

      • Jose L. Suescun December 25, 2012, 7:25 pm

        A typo. Rub down southanol 2

  73. ELSA JACOB ALEXANDER October 28, 2012, 3:00 pm

    Thank you so much for bringing the true informations about bone health .
    it so good to read your articles.
    may God bless you,
    elsa.

  74. Lilian Rosamond October 16, 2012, 3:44 pm

    I read your article with great interest because BOOTS CHEMIST in England sell their calcium with D plus vitamin. I have tried constantly with different pharmaceutical company, asking “Why if Boots (U.K highly regarded retail chemist) can incorporate K in their calcium and is highly applauded publicly in their efforts in doing so. Some did not reply and those that did, have negativity in them…two said that peole who were on anticoagulant medication and taking vitamin K, in any form were inviting medical trouble.
    SO…I have a friend in the U.K. who sends me a year’s supply from Boot’s
    of their calcium, plus D, plus K, and four years ago I had an eye operation that left me with double vision eye and also resulted me having a ministroke. I was put on Plavax which made me ill. I stop taking them and began to import Boot’s product. I can honestly say that I am enjoying the best of health and I AM NINETY ONE YEARS OLD.

  75. JSe September 19, 2012, 8:31 pm

    I am trying to work out which is the better K2 for bone health – MK-4 or MK-7, are you able to advise? And what is a good dose for osteopenia? Thank you for your help.

    • suellyn scoon July 22, 2016, 10:48 pm

      The simplified answer is that mk4 goes to your liver and mk7 to bones.

  76. Bahrom July 24, 2012, 4:54 am

    How about give the doctor FOSAMAX,this poison too bloody expensive and it doesn’t work the worst it give me depression.I’m glad I’m done with this rubbish so call FORSAMAX…

  77. vinita July 14, 2012, 5:38 am

    This is very good information regarding to bones. will be obliged if some more information given

  78. Betty Schutz July 14, 2012, 1:11 am

    L am very confused about vitamin K after reading the comments is it good to take it or not? Please advise.

    thank you,
    Betty Schutz

  79. justin June 29, 2012, 9:11 pm

    bit SHOCKED by your [apparent] recommendation of vitamin K1. Many writers/researchers/drs claim it is next to useless.. just as D is a waste of money..D3 however is a different story, Same can be said of K2 [great stuff]

  80. CLARA June 23, 2012, 4:25 am

    i bought vit k2 my doctor said not to take it as i take baby aspirin…. is it really a no no top take vit k2 and a baby aspirin a day????

  81. louise Abbate May 30, 2012, 10:14 pm

    previously submitted

  82. louise Abbate May 30, 2012, 10:12 pm

    would vitamin K be recommended for persons with Pagets disease?

  83. Tara Mehna May 20, 2012, 9:23 pm

    Just a quick question, though. How does K2 help in bone formation?

  84. Fatima April 19, 2012, 11:28 am

    I was just wondering if MK-4, based on the existing research, would be the better supplement to take for bone health, instead of MK-7?. Or in any case, take a little bit of both?. If so, what would be the recommended amount of each?
    Thanks

    • Bronwen July 7, 2012, 11:09 am

      The supplement I take, from a very reputable supplier, has 155 mcg MK4 and 45mcg MK7.

  85. Razia Sultana Siddiqui April 10, 2012, 10:15 pm

    It has been a very interesting reading. the questions that have been asked were not responded to by Vivian except a few. I would very much appreciate if Vivian could answer most of the important questions to questioners. That would make the site much more useful.

    • Jose L. Suescun December 25, 2012, 7:41 pm

      Yeah! She should answer, but unfortunately,that will develop into an unacceptable slavery. So, as they say, “she has created a monster”. You can not have it both ways

    • Jill June 7, 2012, 6:02 pm

      I agree. That’s the point of a Q & A service.

  86. Kathleen Nash April 10, 2012, 11:04 am

    I have been diagnosed with osteoporosis and cannot take the prescribed drugs because they bother my stomach. I don’t like them anyway and I like your program. I would like to take vitamin K but I have factor 5 leiden and have had two blood clots in my leg. They developed from taking estrogen and my last pregnancy. I am not taking anti-coagulant drugs. The Dr. said I would be O.K. as long I stay away from estrogen.Do you think that I could take a vitamin K supplement?

    • Vivian Goldschmidt, MA April 10, 2012, 4:47 pm

      Hi Kathleen – Please check with your doctor or pharmacist to see whether Vitamin K would be okay with your individual situation.

  87. scott March 14, 2012, 2:30 pm

    odd that you dont mention raw dairy, especially cream, and sugar cane, and perhaps the greatesrt sources which are easily and widely available.
    check the research, you will find the data.

  88. Pam Merrill February 27, 2012, 12:51 pm

    Vivian….read this article of yours…watched the video. I promptly ordered the K-2 that you suggest. I already take D3 (2K units) daily….do I really NEED to take a calcium supplement like citrate??? Do I need additional magnesium???
    I am confused on the supplement intake for correction of osteoporosis.

    Thank you for your time.

  89. antoinette kreutzer February 2, 2012, 4:54 pm

    What about the sugar in fruit and dried fruit as raisins and dates?Surfing on the internet you find many lists with alcalic and acid food.They differ from each other in an very extremely way.Very confusing.

  90. Leonard Green January 31, 2012, 12:02 am

    Hello Vivian,
    I’ve just gotten your book. Thanks. According to recent very seroius medical researh vitamins/mineral supplementation is negative for people health. My doctors particulary did not recommend me to take Mg, C for kidney.The reasearch showed that Co, B1 could be harmful; Ca is under question.
    So I’d like to use food for all vit/min.
    Now New Chapter manufactures vitamins from food but they use fermented soy. I see some scary notes on K2 which has fermented soy.
    I’ve heard that soy is genetically modified. Fermentation is also not good process. Soy is not good for the weak thyroid.So I want to stop taking all supplements excluding probably CoQ10 which is good for BP and which I can not find with the food. At your short references for the most important vitamins and minerals for bone health you mentioned several of them including also licopen and polyphenols. (There are some contradictions)
    Could you please tell me which major food and how much I should use daily to get most imortant vitamins and minerals? (I meand food rich with them)
    Note: I use almond milk and salmon and Gerlsteiner mineral water to get 1200 mg Ca and 600 IU D3. I eat buckweet to get 400 mg Mg (water also).
    Kiwi, Brussel sprouts – give 70% of DV for K (label). Kiwi – 100% of C.
    When I exercise I feel some pain on the hips. Is that symptom of ostepososis? I am 75 (take lethotyroxine and diovan which i want to replace with CoQ10)
    Appreciate your help
    Leonard Green

  91. Cheri Litchfield January 30, 2012, 10:53 am

    There is an excellent book about Vit K2 “Vit K2 and the Calcium Paradox”. I recommend it very highly. It is a newly published book and answers many and various concerns about not just bone health but health. Vit K2 may be a very important piece of the health puzzle.

  92. P. Taylor January 20, 2012, 10:27 pm

    I believe a diet rich in vegetables and fruit will supply adequate Vitimin K. Those of us who have suffered blood clots should not be taking Vit.K supplements which may lead to more unwanted clotting.

  93. Patricia Batch December 30, 2011, 1:46 am

    I would like to try Vitamin K, it depends on the cost.

    • Daniel January 14, 2012, 7:34 am

      I have been taking activk2 for a month now. It’s cheap but i can’t find it online. It’s only in selected pharmacies. But i was recommended it by the pharmacist. Can go wrong with £11.99 for 50 day supply.

  94. Douglas December 13, 2011, 9:59 pm

    Even though I already take vitamin K, your comments are informative and support comments I’ve heard other places.

  95. Douglas December 13, 2011, 9:55 pm

    I have been taking Vitamin K1 and vitamin K2 for about one year. I have eaten small amounts of natto with rice on several occasions.

    • Douglas December 13, 2011, 10:03 pm

      Natto has a strange taste.

  96. Colleen November 30, 2011, 5:19 am

    Great article. I just ordered the Ultra Vitamin K with Advance Vitamin K2 a couple of weeks ago. Haven’t been on it that long yet, but feel the longer I’m on it, I’ll start seeing improvement with my body. I’ve been eating lots of fresh spinach and broccoli every week. I also have IBS, which is a real pain in the butt, especially when I eat ray veggies. If it’s not one thing, it’s another.

  97. Darlene November 23, 2011, 4:48 pm

    I read your info re vitamin K with interest. Unfortunately, those of us who must take Coumedin,(Warfarin) are advised to avoid vitamin K, and to limit intake of green vegetables.
    Any suggestions?

    • Douglas December 13, 2011, 9:25 pm

      Tell your doctor why you are interested in taking vitamin K2, and ask your doctor if it would be possible.

      • Douglas December 13, 2011, 9:28 pm

        Also ask your doctor if it is possible for you to take vitamin K1 safely. Be sure to follow your doctor’s answer and advice.

  98. Sharon November 6, 2011, 11:32 am

    Just one more example of how Mother Nature knows best!

    I have been taking Vitamin K for some time now, and most certainly will continue after reading this very impressive article. Thank you!

  99. Julie November 4, 2011, 7:08 pm

    When my doctor gave me the results of my DEXA scan (osteopenia/osteoporosis), I spoke with my naturopath, who prescribed a Vitamin K supplement: Osteo K, manufactured by NBI. It contains 22.5 mg of K2, 1000 IU of vitamin D3, and 500 mg of calcium citrate in a dose of 3 capsules. (Recommended dosage 3 capsules twice a day.) When I mentioned this to my regular doc, she agreed to wait a year or two to see the results.

  100. Sue November 1, 2011, 11:34 am

    Regarding your comment,”The best natural source of vitamin K2 is derived from fermenting a unique form of soy known in Japan as natto.”

    I’m a breast cancer survivor taking anti hormones or blockers. In a nutrition class I took, I was told to stay away from soy. I think it was due to soy producing a natural hormone on which cancer thrives on.

    • KP October 12, 2015, 5:39 pm

      The pills don’t have soy in them. They are made from the bacteria grown on it.

    • Nancy Scherer November 10, 2011, 1:46 am

      fermented soy does not fall into that category, it is ok

      • KP October 12, 2015, 5:36 pm

        The supplements don’t contain soy, they are made from the bacteria grown on it.

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