Essential Amino Acids are 9 out of 20 amino acids required for protein synthesis. Proteins are involved in all body functions. Like vitamins, Essential Amino Acids cannot be made by the human body and must be obtained through diet. Deficiency in one or more of the 9 Essential Amino Acids can lead to loss of muscle mass, fatigue, weight gain and reduced ability to build muscle mass in athletes. Sunshine Biopharmas Essential 9 provides all 9 Essential Amino Acids in free form and in the recommended proportions. In addition, Essential 9 provides the three Branched Chain Amino Acids, L-Isoleucine, L-Leucine and L-Valine (BCAA), which are scientifically proven to help increase muscle mass and improve liver function. Essential 9 contains the scientifically proven set of the essential amino acids. No peptides mixes, only pure amino acids. All 9 Essential Amino Acids Tablets is to improve protein synthesis, consequently improving muscle repair, growth and recovery. It will give your better endurance and less muscle soreness. Complete and pure essential amino acids (which include the 3 BCAA (or Branched-chain amino acid)) are the most adequate method to grow muscle while staying lean. Another positive impact of pure EAA is in preventing mental fatigue, helping your concentration and productivity. This product is Vegan friendly. You can use it pre or post workout, as well as in your daily life, at work and at home. This product is certified Vegan by VegeCert.