What is it?Precision Engineered Amino provides 1000mg of amino acid building formula. Amino acids are the building blocks of proteins, they can be combined in various ways to form hundreds of different proteins in the body.Provides a Building Block of Protein Contains 1000mg of Amino Acid Supports Structure of Cells and Tissues in The Body What Are the Benefits of This Supplement?Amino acids are the building blocks of protein. Protein makes up the structure of all cells and tissues in the body, including muscle tissue, tendons, internal organs, skin, hair, and nails. There are 20 amino acids, 12 of these can be made by the body and are referred to as non-essential, whilst the other 8 are known as essential and can only be supplied by the diet. You must be 18 years or older to purchase this product.