Vitamin C (ascorbic acid) is a powerful antioxidant that helps protect the body against oxidative stress, viruses, and bacteria. It boosts the immune system, accelerates wound healing, and aids in the absorption of calcium. Vitamin C also supports the synthesis of collagen, which is essential for healthy skin, tissue, bones, and cartilage. It enhances the action of other vitamins and reduces the effects of toxins and harmful substances in the body.