Vitamins
Vitamin is a kind of trace organic matter that human and animals must obtain from food in order to maintain normal physiological function. It plays an important role in the process of human growth, metabolism and development. This kind of substance is neither the raw material of body tissue nor the source of energy in the body, but a kind of regulatory substance, which plays an important role in material metabolism. Vitamins need to be supplemented through food, humans cannot produce them by themselves.We provide you with vitamin products: vitamin A, vitamin B, vitamin C, vitamin D, vitamin E, etc