Back to all supplements

Resveratrol

Varies

Resveratrol is a polyphenol compound naturally present in red grape skins, berries, peanuts, and Japanese knotweed. It gained widespread attention for its proposed ability to activate sirtuin proteins and mimic caloric restriction, though decades of research and billions in funding have yielded limited convincing evidence of benefit in humans.

Research Evidence
Benefits metabolic health in type 2 diabetes
Limited
Activates sirtuin pathways in cell and animal models
Moderate
Extends lifespan or slows aging in humans
Limited
Improves cardiovascular risk markers in humans
Limited
Provides antioxidant protection in vitro
Moderate

Expert Evidence

57 references from 3 experts

Safety & Cautions

Side Effects

  • Gastrointestinal discomfort
  • Nausea at higher doses
  • Possible increase in cholesterol levels
  • Potential reduction in testosterone levels
  • May interfere with exercise adaptations
While generally tolerated at moderate doses, resveratrol has shown signals of harm in some studies, including adverse effects on cholesterol and testosterone. It is not recommended by major clinical guidelines, and individuals on blood thinners or hormone-sensitive medications should exercise particular caution.
Pairs Well With
Price Comparison
From $0.08/ct
C
CarlyleBest Value
4.7
•180 ct

$0.08/ct

$14.44 total

D
DEAL SUPPLEMENT
4.7
•240 ct

$0.10/ct

$24.99 total

A
aSquared Nutrition
4.6
•180 ct

$0.17/ct

$29.95 total

L
Luma Nutrition
4.6
•60 ct

$0.59/ct

$35.16 total

P
Primal Harvest
4.4
•60 ct

$0.77/ct

$46.30 total

M
Momentous
4.7
•30 ct

$1.67/ct

$49.99 total