In a placebo - controlled trial, researchers elsewhere found that high doses of pyroglutamate improved the performance of elderly people in 4 out of 11 of a battery of tests, but they caution that this may result from effects on attention. (newscientist.com)
Pyroglutamate improves memory and learning in rats, and has anti-anxiety effects in rats. (nutritionreview.org)
L - Lysine is an essential amino acid.When taken together with Arginine L - Lysine can trigger the release of growth hormone.In a study at the University of Rome, 15 healthy male subjects aged 15 to 20 years old, were given 1200 milligrams of Arginine pyroglutamate combined with L - lysine hydrochloride.In all of them there was significantly elevated biologically active growth hormone from two to eight times. (fitnessandpower.com)