The blend Increasing Muscle Size, Strength and Endurance - includes several forms of creatine and arginine and additions affecting the transport and storage of nutrients into muscle cells. Creatine (β-methylguanidoacetic acid) is an endogenous substance, synthesized from the acids present in liver and kidney (L-arginine, L-glycine and L-methionine) and the consumption of meat products. Its operation provides keeping a level Adenosine triphosphate (ATP), which is an energy carrier, increases the hydration of cells and muscle glycogen stores. In the sports supplementation creatine is stored in the muscles, which improves energy management, exercise capacity and quick recovery and muscle growth. It has the ergogenic potential, anabolic and anti-catabolic. Exogenous amino acid – arginine, is present as a component of dietary proteins synthesized in the human body in volumes not always necessary, hence necessary to deliver in the form of synthetics. It takes part in the agmatine biosynthesis, creatine and nitrogen oxides. The pre-workout use of supplements containing arginine affects the increase the functional capacity (endurance, strength). Ingested after considerable effort intensifies the transfer of energy compounds and ingredients and intensifies the process of renewal. Used at bedtime in combination with lysine and ornithine enhances the synthesis of growth hormone. intracorporeal participates in the synthesis of creatine. Arginine (as a precursor of ornithine) is involved in the urea cycle, increases the flow of blood in the circulatory system increases sexual potency (in a short time after application). It affects the body's immunity preventing infections, and lowers blood pressure.