A composition and a supplement formulation includes: at least one constituent selected from the group consisting of a nitrate, a nitrite, and both； and at least one constituent amino acid selected from the group consisting of Agmatine, Beta Alanine, Citrulline, Creatine, Glutamine, L-Histidine, Isoleucine, Leucine, Norvaline, Ornithine, Valine, Aspartic Acid, Cysteine, Glycine, Lysine, Methionine, Proline, Tyrosine, and Phenylalanine.
