Doctor’s Best Sustained Plus Immediate Release L-Arginine 500mg, 120 Bilayer Tablets

Science-based nutrition
Dietary supplement
Have positive benefits on athletic performance Sustained plus immediate release l-arginine contains this conditionally essential amino acid in a bilayer tablet, with two tablets providing 500 mg of sustained release and 500 mg of immediate release l-arginine in a formula that allows for enhanced blood levels of this nutrient. most supplemental l-arginine is quickly absorbed into circulation and is extremely efficiently metabolized More »