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Description
L-Citrulline largely converts to L-Arginine, increasing circulating and blood vessel levels of L-Arginine for NO production
Icariin from Epimedium brevicornum Maxim promotes the biosynthesis of estrogen by aromatase (CYP19)

Given by intravenous injection before strenuous work, helps athletic animals sustain endurance and bounce back faster after racing or hard training

Separate groups of mice were used for each nicotine and L-theanine doses
