Glutamine is a conditionally-essential amino acid (CEAA) and an important building-block of proteins. Prolonged bouts of intense exercise can deplete your body’s nutritional reserves and overcome its ability to fully recover. Made entirely with pure l-glutamine, R1 Glutamine is a simple way to help keep your levels elevated.
 
100% L-Glutamine
R1 Glutamine is offered in one stress-free flavor option: unflavored. It readily drops into protein shakes and workout supplements to boost the benefits.^
 
5g micronized l-glutamine† 
Formula Transparency
 
ZERO Fillers 
ZERO Sugars 
ZERO Stimulants 
ZERO Gums