Research summary

Berberine and Cholesterol

Key takeaway

Berberine is a plant compound that has been studied for its effects on blood lipids. Meta-analyses pooling randomized controlled trials have linked oral berberine, typically taken at around 1000 to 1500 mg per day, with reductions in total cholesterol, LDL cholesterol, and triglycerides compared with control. The underlying trials were often of limited methodological quality, so these associations should be read with that limitation in mind.[1], [2]

What the pooled evidence shows

Two meta-analyses of randomized controlled trials examined berberine's effect on blood lipids. In one analysis of 46 trials in adults with type 2 diabetes, berberine taken alone or alongside standard therapy was associated with reductions in total cholesterol and LDL cholesterol relative to control groups. An earlier meta-analysis of 27 trials in people with diabetes, hyperlipidemia, or hypertension similarly found that adding berberine to lifestyle measures or to lipid-lowering drugs was associated with lower total cholesterol and LDL cholesterol.[1], [2]

Both analyses also reported reductions in triglycerides with berberine compared with control, and increases in HDL cholesterol. In one head-to-head comparison, berberine and conventional lipid-lowering drugs did not differ significantly for total and LDL cholesterol, while berberine appeared more favorable for triglycerides.[1], [2]

Doses studied

Across the pooled trials, berberine was generally given by mouth in divided doses, commonly around 500 mg two to three times daily, corresponding to roughly 1000 to 1500 mg per day. The lipid associations described here reflect that range and the populations studied, mainly adults with type 2 diabetes or elevated blood lipids.[1], [2]

Limitations of the evidence

The authors of these meta-analyses noted that many of the included randomized trials were of limited methodological quality, which constrains how strongly the lipid findings can be interpreted. Much of the data comes from adults with type 2 diabetes or hyperlipidemia, so the results may not extend to other groups. These observations describe averaged trial results and are not medical advice; decisions about managing cholesterol should involve a qualified health professional.[1], [2]

References

  1. The Effect of Berberine on Metabolic Profiles in Type 2 Diabetic Patients: A Systematic Review and Meta-Analysis of Randomized Controlled Trials.. Oxidative medicine and cellular longevity. 2021. Systematic review and meta-analysis View source →
  2. Meta-analysis of the effect and safety of berberine in the treatment of type 2 diabetes mellitus, hyperlipemia and hypertension.. Journal of ethnopharmacology. 2015. Systematic review and meta-analysis View source →
Foundational guide

What is berberine?

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