Amino acids are the building blocks of protein. Unlike green plants and certain microorganisms that are able to manufacture all the amino acids they need for survival, the human body must rely on proper nutrition to supplement what cannot be internally produced. Scientists have identified essential amino acids we must get from our diet. In addition, the remaining non-essential amino acid the body is able to produce become depleted without proper nutrition. And, since each protein is made from a unique combination of amino acids, bella health offers a "Multi" complex as well as formulas targeted to specific functions of the body: Provides the body with essential amino acids. Provides vital nutrients to support optimal brain function. Assists the body by replenishing important nutrients lost during physical activity