Perfect Sports Glutamine Vegan Source is the best vegan-friendly glutamine supplement to speed up your weight loss process. The formula contains only the purest form of L-Glutamine, derived from a fermentation process using non-GMO beets as the raw material. The micronized glutamine particles are 20 times smaller than regular glutamine powder and absorb faster, preventing stomach upset. This supplement will improve muscle recovery, increase lean muscle mass, and prevent muscle breakdown.