Introduction to Nutritional Supplements

Nutritional supplements, also known as nutritional supplements, nutritional agents, dietary supplements, etc., are used as an auxiliary means of diet to supplement amino acids, trace elements, vitamins, minerals, etc. required by the human body. Nutritional supplements can be composed of amino acids, polyunsaturated fatty acids, minerals and vitamins, or only one or more vitamins, or one or more dietary ingredients, except amino acids, vitamins, minerals In addition to nutrients such as substances, there may also be herbs or other plant components, or concentrates, extracts or combinations of the above components.