Vitamin K
Vitamin K2 (MK-4)
- Products
- 3
Upper Intake Level · NIH Office of Dietary Supplements
No UL
Tolerable Upper Intake Level (adults, NIH ODS): No UL established.
NIH ODS Health Professional fact sheet →Authorized claims — 2 effects per authority
What this ingredient does
Function claims officially authorized by EFSA NDA Panel, FDA, or NIH ODS. Each card links to the source opinion + the claim ID in the EU/US regulatory register.
↑ Supports / contributes to
↑
Normal blood coagulation
↑
Maintenance of normal bones
Products containing Vitamin K2 (MK-4)