What is Impact EAA Powder? Our Impact EAA is a high-quality blend of all nine essential amino acids, containing zero sugar and zero calories. The powder mixes well into water to create a refreshing and easily-absorbed source of essential amino acids.2 The carefully designed formula of our Impact EAA contains a ratio of 4:1:1 of the BCAAs leucine, isoleucine, and valine. What are amino acids? Amino acids are known as the building blocks of protein, which helps to grow and maintain muscle mass.1 This is important for all sports and fitness goals, as muscle mass is a crucial part of any active lifestyle. What are essential amino acids? Essential amino acids are amino acids that the body needs to function normally, however can’t produce itself, meaning they must be obtained through the diet. There are nine different essential amino acids in total which include: histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, and valine. 1. Protein contributes to the growth and maintenance of muscle mass. 2. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5568273