NCIt definition : The hydrochloride salt form of the amino acid DL-arginine, a racemic mixture of arginine
with potential chemopreventive properties. The mechanism of action by which DL-arginine
exert its chemopreventive effect may by be attributed to enhancement of detoxification
enzymes, including the activation of certain antioxidant enzymes, which may lead to
a reduction in the formation of free radicals.;