Berberine
HeartAMPK activator with metformin-like effects on blood glucose and lipids. Powerful but interacts with many medications.
blood-sugarAMPKlipidsmetabolic
Typical dose
500 mg, 2–3× daily with meals
Evidence
Moderate (some RCTs)
Onset time
Cumulative: 4–12 weeks
Half-life
—
Forms
Capsule
Source
plant
Best taken with
with meals
Best time of day
with-meals
Bioavailability
2/5
Safety rating
3/5
Price per serving
$0.40
Vegan / GF / 3rd-party
✓ / ✓ / ✓
Common uses
- • Blood sugar
- • Cholesterol
- • Insulin sensitivity
- • PCOS
Effect profile
Strength
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Immunity
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Recovery
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Longevity
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Common side effects
- • GI upset
- • Diarrhea
- • Constipation
- • Cramping
Avoid if
- • Pregnancy
- • Newborns (jaundice)
Drug interactions
- • Many CYP3A4 / CYP2C9 substrates: statins, blood pressure, anticoagulants, diabetes meds
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Medical disclaimer
SupplementDuel is for educational purposes only and is not medical advice. Consult a physician before starting, stopping, or combining supplements.