Not content at this though TWP have added in a 3000mg dose of essential amino acids (EAA) which are the amino acids your body requires from diet because it can't make them. TWP Endure BCAA + EAA. EAA added - Essential amino acids are those that your body can't make on it's own and TWP Endure contains all of them in a single serving so you have all bases covered to repair, rebuild and grow.