Vitamin K
The vitamin K family. Which one matters: K1 comes from leafy greens and acts mostly in the liver, while the K2 forms MK-4 and MK-7 last differently in the blood and are studied for bone and vascular outcomes. A label saying only "Vitamin K" has not told you which.
Choose the right form
Not all forms of Vitamin K do the same thing. The form determines what it’s absorbed by and what it’s good for.
Vitamin K2 MK-4
Menaquinone-4, a short-acting form of vitamin K2 naturally produced in the body from vitamin K1. Supports bone health at…
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Vitamin K1
Essential for blood coagulation factors.
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Vitamin K2
Menaquinone-7, a long-acting form of vitamin K2 that activates proteins directing calcium into bones and away from arter…
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