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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