Nitrobol is the best amino acid supplement for bodybuilding. This supplement is far superior to whey proteins and powders. It is absorbed faster and used more efficiently by the body to produce astonishing gains in lean muscle mass. Many users have reported packing on 8 to 10 pounds in only four weeks.

Nitrobol contains L-Leucine, L-Valine, L-Isoleucine, L-Lysine, L-Phenylalanine, L-Threonine, L-Methionine, and L-Tryptophan. All the ingredients for fast effective protein synthesis. Nitrobol is available to muscle tissue in only 19 minutes as opposed to dietary protein that may take as long as three hours to get where you need them the most!