The product's complex active ingredients include each of the 9 essential amino acids (with BCAA 2: 1: 1), along with Beta-Alanine, the precursor to the popular substance Carnosine. The unique amino acid complex also includes 3 conditionally essential amino acids, L-Glutamine, L-Arginine and L-Tyrosine, each of which is an excellent aid to any hard workout, even on its own. The product also contains a complex combination of stimulants, including caffeine from 2 different plant extracts. However, it does not contain more caffeine than a strong cup of coffee. The amino acid taurine, a caffeine synergist, is also added to the product. The product Amino Energy Zero + Electrolytes also contains each of the 6 different types of electrolytes that ensure adequate hydration.