Menatetrenone
Vitamin K2Menaquinone
Nutrient
Vitamin K2 is a type of vitamin that helps your body absorb calcium and use it to build strong bones and teeth. It also helps your blood to clot properly, which is important for stopping bleeding when you get hurt.
Low Concern
Source: EFSA assessment
Vitamin K2 is generally considered safe and is often recommended as a dietary supplement to support bone health.
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Vitamin K2 MK4 studies. Talk with AI
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Last updated: May 16, 2026