PHL muscle builder capsules contains specifically designed muscle building complex which increases strength and endurance. Muscle building complex is enriched with beet root extract, l-glutamine, citrulline malate, l-ornithine HCl and agmatine sulfate. Beet root extract supplies nitrates to the body, increasing nitric oxide properties within the body and assists the body during bouts of intense exercise. L-Glutamine aids in muscle preservation, muscular endurance, recovery, and is fundamental to complete muscle growth. Agmatine Sulfate is an antioxidant and it promotes more pronounced muscle pumps. It also improves athletic performance, increase muscle size, fullness and vascularity.