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Alpha-Ketoglutarate

Alpha-ketoglutarate is a molecule your cells make during the Krebs cycle, the process that turns food into energy, and it also helps move nitrogen and build amino acids. In one study, biological age estimated from DNA methylation came out about eight years lower, but the evidence is very limited. Only 42 people took part and there was no placebo group, so the result can't show the supplement caused it.

Best evidence
Grade D
Conditions studied
1
Outcomes
1
Graded outcomes
0001

Evidence by condition

  • Strong
  • Moderate
  • Limited
  • Very limited

1 condition

Biological Aging

Biological Aging: outcomes studied for Alpha-Ketoglutarate
GradeOutcomeEffectSizeStudiesPeopleStudies list
DNA Methylation Age

8-year reduction in biological age (Rejuvant study, non-placebo-controlled)

Improves (the measure goes down)Large effect42 people

Key findings

  • DNA Methylation AgeImproves (the measure goes down)

Studies cited

3 studies from PubMed

  1. Alpha-ketoglutarate as a potent regulator for lifespan and healthspan: Evidences and perspectivesExp Gerontol, 2023 · PMID 36934991
  2. Rejuvant, a potential life-extending compound formulation with alpha-ketoglutarate and vitamins, conferred an average 8 year reduction in biological agingAging (Albany NY), 2021 · PMID 34847066
  3. Alpha-Ketoglutarate, an Endogenous Metabolite, Extends Lifespan and Compresses Morbidity in Aging MiceCell Metab, 2020 · PMID 32877690