Berberine and cholesterol and blood fats: what the evidence says

Every meta-analysis we read found lower LDL ('bad') cholesterol and triglycerides with berberine. The most careful one, limited to 18 placebo-controlled trials, found LDL 0.46 mmol/L (about 18 mg/dL) lower and triglycerides 0.34 mmol/L lower; the authors call these small reductions.

15 of those 18 trials (83%) were run in mainland China or Hong Kong, and earlier reviews judged most lipid trials low quality, with high risk of bias and very different results from trial to trial.

Not every analysis agrees. A 2024 review of 41 trials found LDL clearly lower with berberine combination products, but for berberine alone the LDL drop (-9.26 mg/dL) was not statistically certain. Against statins, berberine alone did not lower LDL more.

Recent large trials support a small effect: a 2026 trial of 337 people at 11 Chinese hospitals found LDL 7.72 mg/dL lower than placebo after six months, and a Hong Kong trial in 84 men found total cholesterol 0.39 mmol/L lower.

Many European products sold for cholesterol mix berberine with red yeast rice, which contains a natural statin, so their results cannot be credited to berberine. No trial has measured heart attacks or strokes.

We screened all 123 human-study records and read 43 abstracts in full: 23 of the 31 systematic reviews (the rest covered animal studies, stroke, liver disease or red yeast rice alone) and 20 of the 71 trials, choosing the largest and the placebo-controlled ones.