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Menaquinone-7
Menaquinone-7
Low concern
Vitamin K2 form with long half-life; EFSA established a tolerable intake history of safe use. Activates calcium-binding proteins.
Found in
39 products
What it is
Menaquinone-7 (MK-7), a long-chain form of vitamin K2.
Vitamin K2 fortificant in supplements and functional foods.
Why it's flagged
- warfarin interaction
What regulators actually say
"GRAS Notice Inventory - menaquinone-7 (vitamin K2) GRAS notices for use as a nutrient."
"Vitamin K, especially in supplements, can interact with several medications, including warfarin."
Regulatory status
United States — FDA
GRAS for use as nutrient/dietary ingredient (multiple GRAS notices)
European Union — EFSA
Authorized as Novel Food (Commission Implementing Decision 2009)
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