High and Low Dose of L-Arginine Equally Ineffective in Promoting Nitric Oxide Synthesis in Young Active Men at Rest - GH and IGF-1 Response Negligible.
Image 1: Arginine based first generation " nitric oxide booster ", such as BSN's NO-Xplode still have a huge fanbase "No NO from l-arginine" , you probably remember this or similar headlines from a few years ago, when the first studies seemed to indicate that l-arginine, the main "working" ingredient in all the (over-)hyped nitric oxide (NO) boosters that had become an integral part of the line-up of each and every major supplement producer was found not to increase the amount of nitric oxide in their consumers' bloodstream. Although these results stand in stark contrast to the early studies using intravenous infusion of l-arginine, which established the myth of the NO and growth hormone boosting effects of 2-amino-5-guanidinovaleric acid (l-arginine) , a 2007 study by Malinauskas et al. ( Malinauskas. 2007 ) found that 8% of the male student athletes who participated in their survey were still...