What are Essential Amino Acids? Amino Acids are complex chemicals that are the building blocks of protein, which are required for the creation of new tissue, and the repair of existing cells. An Essential Amino Acid cannot be synthesised or created by the body and therefore must be supplied from your diet or through supplementation. Why use Essential Amino Acids? Essential Amino Acid Tablets contain the main essential amino acids required by the body, these are Leucine, Isoleucine, Valine, Lysine, Phenylalanine, Threonine, Histidine, Methionine, and Tryptophan. Myvitamins Essential Amino Acids has 1000mg of Leucine per 3 tablet serving. Who can benefit from Essential Amino Acids? Essential Amino Acids are recommended to anyone looking to increase their daily intake of amino acids. They can be found only in small quantities in natural foods, meaning it can be necessary to look to use supplements to boost your intake. This product should be taken as part of a varied and balanced diet, supported by a healthy lifestyle.