What is the role of fat-soluble vitamins in the body?

Dariush Mozaffarian, MD
Internal Medicine
Bone formation would be impossible without vitamins A, D, and K, three of the four fat-soluble vitamins. Vitamin A also helps keep cells healthy and protects your vision. Without vitamin E, the remaining fat-soluble vitamin, your body would have difficulty absorbing and storing vitamin A. Vitamin E also acts as an antioxidant (a compound that helps protect the body against damage from unstable molecules). Together the quartet helps keep your eyes, skin, lungs, gastrointestinal tract, and nervous system in good repair.

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