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For athletes, arginine AKG is beneficial because it helps to increase the growth of muscles and increases the dilation of blood vessels. If you exercise regularly and have more blood flowing to your muscles, your muscles will look bigger.
The body uses arginine, a semi-essential amino acid, to make nitric oxide, which helps the blood vessels relax, aiding proper blood flow. However, some studies suggest using arginine aids treatment of angina, atherosclerosis, coronary artery disease, peripheral vascular disease and vascular headache.