- Vitamin K or phylloquinone, is a fat-soluble vitamin best known for its important function in the biological activity of several blood coagulation factors.
- Recent research has also shown a role for vitamin K in bone health.
- Vitamin K plays a key role in the synthesis of the bone proteins osteocalcin and bone metabolism.
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Product Description
Vitamin K or phylloquinone, is a fat-soluble vitamin best known for its important function in the biological activity of several blood coagulation factors. Recent research has also shown a role for vitamin K in bone health. Vitamin K plays a key role in the synthesis of the bone proteins osteocalcin and bone metabolism.
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Most Helpful Customer Reviews on Amazon.com (beta)
Amazon.com:
6 reviews
7 of 7 people found the following review helpful
Great source of K.
20 Mar 2007
Amazon Verified Purchase
Great source of vitiamn K, really helped out with the dar circles under my eyes.
5 of 5 people found the following review helpful
500mcg?! Cool.
16 Mar 2011
Size Name:200 Tabs
The dosage of Vitamin K on this particular brand is pretty high. Most have a daily value of 125%, but here's the thing: If you're taking Vitamin K to begin with, you're probably using it for a specific reason, and since there is no UL for Vitamin K, you can't go wrong with with this type of dosage. To quote Wikipedia's page for "Vitamin K": "Although allergic reaction from supplementation is possible, there is no known toxicity associated with high doses of the phylloquinone (vitamin K1) or menaquinone (vitamin K2) forms of vitamin K and therefore no tolerable upper intake level (UL) has been set" You can check the "Institute of Medicine at the National Academy of Sciences" which provides the recommendations for setting UL's, if you need a second reference.
5 of 6 people found the following review helpful
Perfect K
10 April 2007
Amazon Verified Purchase
Man When I needed Vitamin K these 200 tablets 500 mcg. Fit the bill they were priced just right. I think if they were 1mg would be even better but their great as is.
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