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Vitamin K2 by SFI Health (formerly Klaire Labs)
Recent research indicates several important functions for vitamin K beyond its role in blood coagulation, including benefits for bone health and vascular function. Supplies natural vitamin K2, also known as menaquinone-7 (MK-7), which has the longest half-life in the body compared to other forms of vitamin K. This vitamin K2 extract is free of soy protein for maximum tolerance by those sensitive to soy.