Berberine Drug Interactions and Side Effects
What to check with your doctor before taking a berberine supplement.
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Quick answer
- Berberine comes from plants like goldenseal and barberry.
- Studies link it to glucose metabolism pathways.
- It interacts with several medicines.
What berberine is
A yellow plant compound found in goldenseal, barberry and Oregon grape.
What studies show
Trials suggest effects on fasting glucose and metabolic markers in some people (PubMed).
Typical study doses
Studies often use 900 to 1,500 mg a day split into doses; Gluconara's exact berberine amount is part of a 528 mg blend.
Side effects
Stomach upset, constipation or diarrhea are the most common.
Interactions
Read berberine drug interactions before use.
Frequently asked questions
Is berberine safe?
Generally short term for healthy adults, but it interacts with many medicines and is not for pregnancy.
How much berberine is in Gluconara?
It is part of a 528 mg blend; the exact amount is not disclosed.
This article is general information, not medical advice. Talk to your doctor before starting any supplement. We may earn a commission from links on this page; see our disclosure and editorial standards.
