Source Naturals Vitamin K, 100 Tablets
100 tablets · Tablets
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Price history
Best price so far: £5.34 at Iherb on 2 Sept 2026
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About this product
Dietary SupplementSuitable for Vegetarians500 mcgVitamin K, or phytonadione, 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 matrix Gla-protein, which are involved in calcium and bone metabolism.