Your immune system needs vitamin C to work right. But extra won't help you avoid a cold, unless maybe you're an extreme athlete, live in a very cold place, or you just need more anyway. Supplements might shorten a cold or ease its symptoms -- if you were taking them before you got sick.
Prevents Cell Damage
Vitamin C helps you get rid of chemicals that damage your cells and DNA. It's considered an antioxidant: It neutralizes "free radicals" in your body created by pollution, cigarette smoke, sunlight, radiation, and simply turning food into energy. That could help keep many parts of your body working better for longer and protect you from diseases, including Alzheimer's and cancer.
Builds Skin, Bones, Muscles, and More
Your body would fall apart without the protein collagen. Collagen fibers twist around each other to form scaffolding for your bones, cartilage, skin, and muscles (including your heart). They're also in ligaments,tendons and bloo…