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Supplements/Compound

Metformin (Longevity Use)

Biguanide diabetes drug studied for healthspan.

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Overview

Biguanide diabetes drug studied for healthspan.

Natural sources
  • Endogenously produced or biosynthesized molecule
  • Standardized pharmaceutical- or food-grade supplement
  • Combined with cofactors that improve absorption or activity
Common forms
  • Capsule or softgel
  • Powder
  • Sublingual or buccal
  • Liposomal liquid

Mechanism of action

Inhibits mitochondrial complex I; activates AMPK.

Pathways
  • · Inhibits mitochondrial complex I
  • · activates AMPK

Effects on the body

Supports
May reduce age-related diseases

Organ system effects

Brain & CNS

Metformin (Longevity Use) acts on hallmarks of aging including oxidative stress, mitochondrial dysfunction, and senescence signaling.

Liver

Metformin (Longevity Use) affects hepatic insulin sensitivity, lipid handling, or glucose disposal.

Evidence-based benefits

May reduce age-related diseases

Moderate evidence

Potential side effects

Common
  • · GI upset
  • · B12 deficiency
  • · Lactic acidosis (rare)
Rare
    Serious

      Drug interactions

      Prescription medications (general)
      Always disclose Metformin (Longevity Use) use to your prescriber — additive, antagonistic, or pharmacokinetic interactions are possible.
      minor

      Supplement interactions

      Pairs well with
      • NAD+ precursor (NMN or NR)
        Complementary mitochondrial and sirtuin support.
      • Omega-3
        Lowers inflammation and supports membrane integrity.
      Avoid combining with

      No specific avoidances listed.

      Dosing & bioavailability

      Typical dose
      500–1500 mg (Rx only)
      Best form
      Most evidence is based on the capsule or softgel form.
      Timing
      Consistent daily timing recommended; split larger doses if GI tolerance is a concern.
      With food?
      With a meal containing fat for fat-soluble compounds; otherwise either.

      Where to buy

      Affiliate links — we may earn a commission at no extra cost to you. Amazon code supplementsch-20 is auto-applied at checkout. We don't endorse specific brands; verify third-party testing (USP, NSF, Informed Sport) before purchase.

      Scientific evidence8Show studies
      CohortDiabetes Obes Metab · 2014

      Metformin in non-diabetics (TAME-related)

      Bannister CA, et al.

      78,000+ adults

      Key findings

      Diabetics on metformin had lower mortality than matched non-diabetics.

      Open study
      Systematic reviewPubMed (NLM) · 1970

      PubMed: Metformin (Longevity Use) — May reduce age-related diseases

      Live PubMed search

      Live results for "Metformin (Longevity Use) May reduce age-related diseases" across the PubMed/MEDLINE peer-reviewed index.

      Key findings

      Opens current human and preclinical literature matching Metformin (Longevity Use) and "May reduce age-related diseases". Filter by RCT, meta-analysis, or year on the results page.

      Open study
      Systematic reviewPubMed (NLM) · 1970

      PubMed: Metformin (Longevity Use) — randomized controlled trial

      Live PubMed search

      Live results for "Metformin (Longevity Use) randomized controlled trial" across the PubMed/MEDLINE peer-reviewed index.

      Key findings

      Opens current human and preclinical literature matching Metformin (Longevity Use) and "randomized controlled trial". Filter by RCT, meta-analysis, or year on the results page.

      Open study
      Systematic reviewPubMed (NLM) · 1970

      PubMed: Metformin (Longevity Use) — meta-analysis

      Live PubMed search

      Live results for "Metformin (Longevity Use) meta-analysis" across the PubMed/MEDLINE peer-reviewed index.

      Key findings

      Opens current human and preclinical literature matching Metformin (Longevity Use) and "meta-analysis". Filter by RCT, meta-analysis, or year on the results page.

      Open study
      Systematic reviewPubMed (NLM) · 1970

      PubMed: Metformin (Longevity Use) — pharmacokinetics

      Live PubMed search

      Live results for "Metformin (Longevity Use) pharmacokinetics" across the PubMed/MEDLINE peer-reviewed index.

      Key findings

      Opens current human and preclinical literature matching Metformin (Longevity Use) and "pharmacokinetics". Filter by RCT, meta-analysis, or year on the results page.

      Open study
      Systematic reviewPubMed (NLM) · 1970

      PubMed: Metformin (Longevity Use) — safety adverse events

      Live PubMed search

      Live results for "Metformin (Longevity Use) safety adverse events" across the PubMed/MEDLINE peer-reviewed index.

      Key findings

      Opens current human and preclinical literature matching Metformin (Longevity Use) and "safety adverse events". Filter by RCT, meta-analysis, or year on the results page.

      Open study
      Systematic reviewPubMed (NLM) · 1970

      PubMed: Metformin (Longevity Use) — dose response

      Live PubMed search

      Live results for "Metformin (Longevity Use) dose response" across the PubMed/MEDLINE peer-reviewed index.

      Key findings

      Opens current human and preclinical literature matching Metformin (Longevity Use) and "dose response". Filter by RCT, meta-analysis, or year on the results page.

      Open study
      Systematic reviewGoogle Scholar · 1970

      Google Scholar: Metformin (Longevity Use) — clinical evidence

      Live Scholar search

      Cross-database citation index for Metformin (Longevity Use) as it relates to "clinical evidence".

      Key findings

      Includes preprints, theses, and journal articles. Useful for tracking citation counts and follow-on work.

      Open study
      Educational use only. This profile is not medical advice. Consult a qualified healthcare professional before starting any supplement, especially if you take prescription medication or have a chronic condition.

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