Can drink. Vitamins, also known as vitamins, are life-sustaining substances, organic substances necessary to maintain human life activities and important active substances to maintain human health. The content of vitamins in the body is very small, but it is indispensable, and it is just right to drink after exercise. Vitamins are an organic compound necessary to maintain health. This kind of substance is neither the raw material of body tissue nor the source of energy in the body, but a kind of regulating substance, which plays an important role in substance metabolism.