AKG (Alpha-Ketoglutarate)
Also known as: AKG, α-ketoglutaric acid, Calcium alpha-ketoglutarate, Ca-AKG, Alpha-Ketoglutaric Acid
Overview
AKG is a metabolic intermediate in the citric acid cycle that may support muscle protein synthesis and ammonia detoxification. Evidence for performance and body composition benefits in humans remains preliminary and limited.
Frequently Asked About AKG (Alpha-Ketoglutarate)
How much AKG (Alpha-Ketoglutarate) should I take?
When is the best time to take AKG (Alpha-Ketoglutarate)?
Should I take AKG (Alpha-Ketoglutarate) with food?
Does AKG (Alpha-Ketoglutarate) interact with medications?
What does AKG (Alpha-Ketoglutarate) pair well with?
Who should not take AKG (Alpha-Ketoglutarate)?
What are the side effects of AKG (Alpha-Ketoglutarate)?
Dosage
Safe in studies
Longevity, bone health, energy
Research & Studies
We haven’t curated landmark studies for AKG (Alpha-Ketoglutarate)yet — one-click into the primary literature here. PubMed (RCTs) is usually the highest-signal starting point.
Mechanism of Action
- • Krebs cycle intermediate
- • Glutamate precursor
- • May reduce biological age markers
- • Bone supportive (Ca-AKG)
Evidence Quality
Promising longevity research, particularly Ca-AKG
Safety & Contraindications
- • None significant
- • None established
- • Well tolerated
- • GI upset rare
Avoid, insufficient data
Safe
Interactions
- • None significant
- • Part of longevity stacks
- • Flexible
Stacking & Synergies
Buying Guide
- • Calcium AKG for longevity
- • Third-party tested
- • Ca-AKG showed lifespan extension in mice
- • Rejuvant uses Ca-AKG
- • May reduce biological age markers
More in Longevity
Other ingredients in the Longevity category.
Cite this page
Formulate Research Team. (2026, June). AKG (Alpha-Ketoglutarate) — Evidence-Based Supplement Guide. Formulate Supplement Encyclopedia. https://app.formulate-health.app/learning/supplements/alpha-ketoglutarate
Educational content based on published research and our scoring methodology. Not medical advice — consult a qualified healthcare provider before starting, stopping, or changing supplements, especially if you take medications, are pregnant, or have a medical condition.