L-arginine is a semi-essential amino acid involved in numerous areas of human biochemistry that contribute to overall health. It modulates immune function, detoxifies ammonia for removal from the body and serves as a precursor for nitric oxide.¹

Nitric oxide is a potent vasodilator, and supplemental L-arginine can therefore support already-healthy blood pressure levels.² Higher intake of arginine is also linked to lower levels of C-reactive protein, an important marker of a healthy inflammatory response to support cardiovascular health.³ L-arginine may also help maintain the health of the immune system.^4,5