A composition comprising a Nitrate or a Nitrite of an Amino Acid Compound selected from the group consisting of Arginine, Agmatine, Beta Alanine, Citrulline, Creatine, Glutamine, L-Histidine, Isoleucine, Leucine, Norvaline, Ornithine, Valine, Aspartic Acid, Cysteine, Glycine, Lysine, Methionine, Proline, Tyrosine, and Phenylalanine is provided. The composition may be in a dosage form selected from the group consisting of a capsule, a cachet, a pill, a tablet, a powder, a granule, a pellet, a bead, a particle, a troche, a lozenge, a gel, a liquid, a suspension, a solution, an elixir, and a syrup.