Vitamin C is the only water-soluble vitamin among the options provided. It is essential for various bodily functions, including immune support and collagen synthesis. In contrast, Vitamin E is fat-soluble, and cobalt and zinc are minerals. ;
Vitamin C is the only water-soluble vitamin listed in the options provided. It is crucial for supporting the immune system, helping with iron absorption, and promoting skin health. Vitamin E is fat-soluble, and cobalt and zinc are minerals, not vitamins.
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