What are Essential Amino Acids Tablets? exante Essential Amino Acids Tablets provide you with important amino acids, including 3000mg L-leucine, in convenient tablet form. For maxiumum benefits, we recommend taking 3 tablets before exercise and 3 tablets after exercise to get extra EAAs in your diet. Essential amino acids cannot be produced by our body so they are an important addition to your diet, especially with an active lifestyle, because EAAs are naturally occurring in protein which helps to grow and maintain muscle¹. ¹Protein contributes to the growth and maintenance of muscle mass.