Barberry (Berberis spp.)
Best for
Steady your blood sugar levels
Large effect, needs confirmation · 3000 mg/day for 12 weeks · 1 study , n=42
2 papers · 1 claim · 17 outcomes scored · 1 positive
Outcomes
What barberry (berberis spp.) actually does, by outcome
Each row is one outcome with effect size, evidence base, the dose that worked in trials, and time to first effect. Magnitude tiers come from native-unit MCID where available, Cohen's d otherwise.
Keeps fasting glucose and your three-month average in a healthier range.
| Outcome | Effect | Evidence | Dose | Weeks | Rank |
|---|---|---|---|---|---|
| Steady your blood sugar levels Large effect, needs confirmation | | 1 RCT n=42 | 3000 mg | 12 wk | — |
Risk profile
Adverse events and known drug interactions
Safety events
Sources
- 1. The Effects of Berberis vulgaris Fruit Extract on Serum Lipoproteins, apoB, apoA-I, Homocysteine, Glycemic Control and Total Antioxidant Capacity in Type 2 Diabetic Patients. (2012) ↑
- 2. The effect of barberry (Berberis integerrima) on lipid profile and systemic inflammation in subjects with cardiovascular risk factors: a randomized controlled trial. (2022) ↑
Generated August 14, 2026
Related
More evidence for Barberry (Berberis spp.)
Evidence map
Metabolic health
NewMetabolic health: evidence map across 82 supplements
Evidence coverage map
Jul 30, 2026
Ingredient evidence
Ingredient evidence
NewAlpha Lipoic Acid
All scored outcomes
Aug 14, 2026
Ingredient evidence
Ingredient evidence
NewBerberine
All scored outcomes
Aug 14, 2026
Ingredient evidence
Ingredient evidence
NewBitter Melon
All scored outcomes
Aug 14, 2026
Ingredient evidence
Ingredient evidence
NewChlorogenic Acid
All scored outcomes
Aug 14, 2026
Ingredient evidence
Ingredient evidence
NewChokeberry
All scored outcomes
Aug 14, 2026