Vitamin C

Vitamin C is also known as ascorbic acid and is a common supplement.

Some functions of vitamin C are: antioxidant, enhances immune system, helps formation of collagen, maintains bone, teeth, and connective tissue, aids absorption of iron, and heals wounds.

Foods rich in vitamin C include: citrus fruits, kiwi, strawberries, peppers, broccoli, kale, brussel sprouts, tomatoes, and parsley.