Vitamin C (Ascorbic Acid)
Vitamin C is one of the most well known and commonly supplemented essential vitamins. Vitamin C is a go-to product to ward off the common cold as it has antioxidant properties that deliver an immunity boost and is very affordable.
An athlete supplementing Vitamin C, can expect to cut the risk of getting a cold in half with regular vitamin C supplementation. Vitamin C can also help the body absorb other nutrients, it works especially well when paired with an iron supplement.