C-TAB 100mg 500s are vitamin C tablets, each containing 100mg of vitamin C. Vitamin C is essential for supporting immune function, collagen production, and acting as an antioxidant. It also helps with skin health and enhances the absorption of iron from plant-based foods. These tablets are typically used to prevent or treat vitamin C deficiency and support overall well-being. With 500 tablets in the pack, it offers a long-term supply of this vital nutrient.