Vital Aminos contains 13 amino acids, including all 9 essential amino acids. Amino acids are the building blocks for protein construction that form muscle tissue, enzymes, hormones, and neurotransmitters. Amino acids are a critical building block contributing to multiple physiological functions through the construction of proteins that form muscle tissue, enzymes, hormones, and neurotransmitters. They also manage metabolic processes and uphold the body's pH balance, contributing to your body's optimal performance.