Promino Plus is a two part system: First: AM formula designed to help start the day mentally alert. Second: PM formula designed to gently assist in recovery and relaxation. And now, with a new advanced flavor system. AM Formula: Proprietary AM Blend: Containing Endo-Pro Plus (Taurine and Gaba), Procosanoi, [Trimethybanthine (Caffeine)], L-Glutamine, L-Arginine, L-Tyrosine, L-Lysine, L-Theanine, Succinic Acid. PM Formula: Proprietary PM Blend: Containing Endo-Pro Plus (Taurine and Gaba), L-Glutamine, L-Arginine, L-Tyrosine, L-Lysine, L-Theanine, Succinic Acid.