Probably the best-known vitamin, Vitamin C (a.k.a. ascorbic acid), is also widely misunderstood. Its main roles are to strengthen your skin and bones, and to neutralize harmful chemicals like free radicals. It is commonly added to food as a preservative. Though it's unlikely that excessive amounts will boost your immunity, Vitamin C is an essential nutrient that should be included as part of your daily diet. And luckily, as a water-soluble vitamin, too much won't hurt you.
What Types of Food Have Vitamin C?
Vitamin C in the World: English Exploration
For centuries, sailors on long journeys feared scurvy, the deadly disease caused by prolonged Vitamin C deficiency, more than shipwrecks. In 1795, the United Kingdom made limes part of every sailor's daily rations. The scurvy-free British Navy that resulted became the strongest on Earth. Uniquely, traditional Inuit diets include almost no fresh fruit, but they avoid scurvy by eating their meat and fish raw (heat degrades Vitamin C).
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- General Cellular Function
Collagen is the most abundant protein in your body. It is used to make and strengthen skin, cartilage, tendons, ligaments, bones, and teeth.
The cells in your body that make collagen are called fibroblasts. First, a tiny precursor protein is made in the nucleus of the fibroblast. Next, these precursors are taken to another part of the fibroblast to be modified.
General Cellular Function
Everybody loves antioxidants, but what do they actually do? Normal functions like making energy and fighting disease can generate potentially damaging by-products (called “free radicals” and “reactive oxygen species”).