for professional bodybuilders - Muscle Builder XXL - build lean muscle mass - 3

The proprietary blend in Muscle Builder XXL includes L-Ornithine, L-Arginine, L-Lysine, L-Glutamine, L-Glycine and other minerals and vitamins that your body needs to grow muscles naturally. L-Glutamine is the most prevalent amino acid in the bloodstream and because human cells readily synthesize it, is usually considered a non-essential amino acid.

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