Taking an EAA supplement can improve muscle growth, increase your endurance, and reduce soreness post exercise. In other words it helps you get back to the gym faster and happier.

Can EAA replace protein?

Answer: No. Although essential amino acids (EAAs) are the building blocks of protein, there is no evidence that consuming free EAAs helps build muscle better in healthy individual than consuming "complete" or "high-quality" protein, that is, protein that contains all essential amino acids.

Do essential amino acids build muscle?

1. Increase Muscle Growth. ... Whey protein contains all the essential amino acids needed to build muscle. Therefore, while BCAAs can increase muscle protein synthesis, they can't do so maximally without the other essential amino acids, such as those found in whey protein or other complete protein sources ( 6 , 7 ).