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Berberine plus cinnamon lowered fasting blood sugar in a 12-week trial — but only the combo was tested, not berberine alone.
This is an early look at a specific pairing, not a standalone verdict on berberine; the results are promising but come from a single clinical trial in people with type 2 diabetes, so they don't yet apply to the general curious supplement-taker.
In a double-blind study, people with type 2 diabetes who took 1,200 mg of berberine plus 600 mg of cinnamon daily for 12 weeks had lower fasting blood sugar than those on placebo. However, the same study found no significant effect on cholesterol, triglycerides, blood pressure, or body weight — so the benefit was limited to blood sugar control, and it's unclear whether berberine alone would have produced the same result.
Where this fits in the evidence
This is among the first studies we've indexed on Berberine for Reduced Fasting Blood Glucose Levels — treat it as an early signal until more research accumulates.
The study
- Randomized Controlled Trial (RCT)
- 2025-02-25
- European journal of nutrition
This is a plain-language summary of a research finding, not medical advice. Pillser surfaces research signals to help you decide what's worth investigating — always consult a qualified professional before changing what you take.