Alpha-Ketoglutarate — answers to AKG
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A compound that occurs naturally in the body as an intermediate in the Krebs cycle, the cell's basic energy-producing pathway. In supplements it is usually bound to a mineral or amino acid, such as calcium or arginine, to form a salt.
Why it’s used
Taken by some for exercise performance, recovery, or, more recently, as part of interest in general aging-related research.
What the evidence says
Human oral trial data on alpha-ketoglutarate supplementation is sparse. Most of the research generating interest in AKG, including work on lifespan and markers of aging, has been done in animal models, and it is not established whether or at what dose those findings translate to people.
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: 23 records · searched August 2026
"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: 7238 records · searched August 2026
"Alpha-Ketoglutarate"[Title/Abstract]
This says what this database holds under these terms. It is not a finding that no research exists.
Context
Animal studies exploring aging-related effects have used doses calculated per body weight that do not translate directly to a human gram-based dose without further study.
Educational information, not medical or safety advice. Consult a professional for allergies or medical concerns.