Vitamin K is the name of a family of compounds with a similar structure. Vitamin K3, also known as menadione, is a synthetic or artificially produced form of vitamin K. Vitamin K3 is a synthetic, ...
Vitamin E is a fat-soluble antioxidant in many foods. It supports the immune system, helps keep blood vessels healthy, and plays a role in gene expression and cell signaling. There are eight forms of ...
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