Amino & PerformanceNo.049
Glutamine
Gut & immune recovery (marketed).
Typical / RDA5 g
Upper limitGenerally safe
EvidenceLimited
How to take it
Timing AnytimeFood OptionalForm L-glutamine
What to know
The body makes plenty under normal conditions, so supplementing rarely helps healthy, well-fed people. Specific clinical (e.g. critical-illness) uses are different.
Interactions & cautions
- Low risk; little benefit for healthy individuals.
Do you actually need it?
Rarely useful for healthy people eating enough protein.
Reference values: NIH Office of Dietary Supplements, adult general population. Educational information only — not medical advice. Confirm with a healthcare professional.