Glutamine alpha-ketoglutarate — answers to GAKG
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A compound combining the amino acid glutamine with alpha-ketoglutarate, a molecule involved in cellular energy metabolism, bonded together as a salt.
Why it’s used
Taken by some as a sports or recovery supplement, on the premise that combining glutamine with alpha-ketoglutarate improves absorption or metabolic effect compared to glutamine alone.
What the evidence says
Human clinical research on this specific combined compound is very limited. Most available data come from small or preliminary studies, and no major systematic review or regulatory body has established a clear effect for oral supplementation in healthy adults.
Where we looked
There was no paper to cite here, so this is the search instead — run it yourself and see what we saw.
- PubMed: 0 records · searched August 2026
"Glutamine alpha-ketoglutarate"[Title/Abstract] AND ("dietary supplements"[MeSH] OR supplementation[Title/Abstract] OR supplement[Title/Abstract] OR supplements[Title/Abstract] OR "oral administration"[Title/Abstract]) AND (randomized controlled trial[pt] OR clinical trial[pt] OR meta-analysis[pt] OR systematic review[pt]) AND humans[MeSH] - PubMed: 28 records · searched August 2026
"Glutamine alpha-ketoglutarate"[Title/Abstract]
This says what this database holds under these terms. It is not a finding that no research exists.
Context
Where studied, research has generally used small sample sizes and short durations, limiting what can be concluded.
Educational information, not medical or safety advice. Consult a professional for allergies or medical concerns.