What is Vitamin C Vitamin C is a water-solvent nutrient found in numerous nourishments, especially in leafy green vegetables and fruits. It’s notable for being a potent antioxidant and affecting the well-being of skin and immune functions. It’s additionally essential for small blood vessels, collagen, tissue repair, bones, and teeth. What are the benefits of Vitamin C? Vitamin C is not produced naturally in our body, and yet, its benefits are a-plenty!