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Best Price
Cheapest · 1000mg
$26.05
$0.03/mg at Omegamino
Buy at OmegaminoCompare all 22 sources ↓
metabolite22 sources in stock

Metformin

Biguanide

Biguanide. Decades of research on metabolic and longevity outcomes.

Metabolic researchLongevity

For research use only · Not for human consumption

/ compare by size

Every source for Metformin

Affiliate disclosure: purchases through links below may earn us a commission. Rankings are never sold — methodology · full disclosure

Size:
11 sources for 500mg·cheapest $30.50 at Omegamino·$0.06/mg
#1
Omegamino
4.5· price unverified
$30.50
$0.06/mg
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#2
Glacier Aminos
4.6· price unverified
$34.70
$0.07/mg
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#3
Renova Peptides
4.6· price unverified
$41.62
$0.08/mg
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#4
LA Peptides
4.6· price unverified
$43.79
$0.09/mg
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#5
Good Labs
4.7· price unverified
$46.30
$0.09/mg
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#6
RefillPen
4.5· price unverified
$47.45
$0.09/mg
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#7
Modified Aminos
4.5· price unverified
$47.71
$0.10/mg
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#8
FITSKNS
4.6· price unverified
$48.35
$0.10/mg
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#9
Molecular Solutions
4.7· price unverified
$57.40
$0.11/mg
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#10
Glow Aminos
4.5· price unverified
$65.51
$0.13/mg
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#11
Purus Peptides
4.7· price unverified
$66.90
$0.13/mg
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#12
Lab Sourced
4.7· price unverified
$26.81
$0.05/mg
Out of stock
#13
Throne
4.7· price unverified
$57.00
$0.11/mg
Out of stock
#14
Ion Peptide
4.6· price unverified
$60.60
$0.12/mg
Out of stock
#15
Biocase Innovations
4.6· price unverified
$62.07
$0.12/mg
Out of stock
🏆Our pick for Metformin
Molecular Solutions
1000mg · USA · Card / Crypto
  • Third-party tested (Third-party)
  • COAs provided — Per-batch
  • Highest verification tier in stock
  • 4.7★ community rating
$38.14$31.48
$0.03/mg
Buy at Molecular Solutions
Affiliate link · disclosure
Also solid
Purus Peptides
1000mg · $0.04/mg
$35.48
Buy →
Lab Sourced
1000mg · $0.05/mg
$46.41
Buy →
Throne
1000mg · $0.05/mg
$54.07
Buy →
/ research index

The research base

Research Maturity
★★★★★
5/5 — Volume of studies
Evidence Strength
★★★★★
5/5 — Quality of evidence

Most-studied metabolic compound. Extensive longevity research.

/ mechanism of action

How it works

AMPK activation. Multiple pleiotropic effects.

/ research dosing

Common research protocols

Range
500-2000 mg/day
Frequency
1-2x daily with meals
Route
Oral
Cycle
Continuous
Research notes

Start at 500mg/day with dinner to manage GI adjustment. Titrate up over 4-8 weeks. Extended-release reduces GI side effects. Most common longevity research dose: 1000-1500mg/day.

References
FOR RESEARCH USE ONLY. Doses listed are compiled from published research literature, FDA-approved drug labels, and well-documented research community practice. Not medical advice.
/ standalone use

As a solo compound

Standard standalone.

/ side effects

What to know

Common: GI adjustment.

/ timeline

Realistic expectations

Long-term

FOR RESEARCH USE ONLY. Metformin is intended for laboratory research and not for human consumption.