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2:04
YouTube
Dr. Sarah Ballantyne
Let's Talk About Vitamin K1 vs K2
Vitamin K comes in two main forms with distinct roles in the body: vitamin K1 (phylloquinone) and vitamin K2 (menaquinones MK-2 through MK-14). While all forms support similar functions, K1 has a short half-life, stays in the blood for only a few hours, and is mainly used in the liver, whereas K2 circulates for days and is used more widely in ...
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1 week ago
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