Vitamin C: Why we need it, dietary sources, and how we absorb and metabolize it

This lesson covers the dietary sources and essential roles of vitamin C, also known as ascorbic acid, in the body. It explains vitamin C's involvement in collagen synthesis, catecholamine biosynthesis, and carnitine biosynthesis. The video also details how vitamin C is absorbed in the small intestine, metabolized, and excreted when in excess. The lesson concludes with a brief mention of vitamin C deficiency, setting the stage for the next lesson.

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