Mega EAA 3200 mg of EAA daily With all essential amino acids WHO recommended essential amino acid ratio Essential amino acids in capsules Proteins are the building blocks of muscle. And the building blocks of protein are amino acids. There are amino acids that our body produces and others that we can only get from external sources - these are the essential amino acids. Providing the body with all the amino acids is important to support muscle growth. A balanced diet, rich in protein and amino acids, is important for all athletes. Mega EAA contains all essential amino acids in the proportions recommended by the World Health Organization.