R1 Citrulline

Citrulline contributes to nitric oxide synthesis which supports muscle pumps and training performance making this amino acid a popular foundational staple for any serious lifter. WHAT'S IN IT 100% L-Citrulline

Citrulline is part of our Foundation Series, a dedicated line of supplements that can stand alone or be added in to customize and stack with our to support your unique goals. It readily drops into protein shakes and workout supplements to boost the benefits. Citrulline is offered in one stress-free flavor option: unflavored.