What is the evidence base for berberine?

Medical Advisory BoardAll articles are reviewed for accuracy by our Medical Advisory Board
Educational purpose only • Exercise caution as content is pending human review
Article Review Status
Submitted
Under Review
Approved

Last updated: May 15, 2025View editorial policy

Personalize

Help us tailor your experience

Which best describes you? Your choice helps us use language that's most understandable for you.

From the FDA Drug Label

Hydrastis canadensis 1M Less than 10 -12 mg hydrastine, berberine alkaloids per pellet (**contains 0.443 mg of the active ingredient per pellet)

  • Berberine is an alkaloid found in several plants, including Hydrastis canadensis.
  • The provided drug label does not provide evidence for the effectiveness of berberine for any specific use.
  • The label only lists the composition of the product, which contains berberine alkaloids.
  • There is no direct information in the label about the evidence base for berberine 1.

From the Research

Berberine is a natural compound with evidence-based benefits for metabolic conditions, particularly for type 2 diabetes management, and its use is supported by the most recent and highest quality study 2. Berberine is a natural compound found in several plants like goldenseal, barberry, and Oregon grape that has gained popularity as a dietary supplement.

  • It shows promising evidence-based benefits, particularly for metabolic conditions, with the most recent study published in 2022 indicating its glucose-lowering effect in type 2 diabetes patients 2.
  • Research indicates berberine can help lower blood glucose levels with effectiveness comparable to some prescription medications like metformin, making it potentially useful for type 2 diabetes management.
  • It also appears to improve cholesterol profiles by reducing LDL ("bad") cholesterol and triglycerides while increasing HDL ("good") cholesterol.
  • Berberine works through multiple mechanisms, including activating AMP-activated protein kinase (AMPK), which regulates metabolism, and influencing gut microbiota.
  • Typical dosing ranges from 900-1500mg daily, divided into 2-3 doses taken with meals to minimize gastrointestinal side effects like diarrhea, constipation, or stomach pain.
  • While generally considered safe for short-term use, berberine may interact with certain medications, particularly those processed by the liver, as noted in a 2021 study 3.
  • It should be avoided during pregnancy and breastfeeding, and its long-term safety and efficacy are still being researched, with a 2020 study highlighting its potential benefits and limitations 4.
  • As with any supplement, consulting with a healthcare provider before starting berberine is important, especially for those taking other medications or with existing health conditions, as emphasized in a 2015 meta-analysis 5 and a 2008 study 6.

Professional Medical Disclaimer

This information is intended for healthcare professionals. Any medical decision-making should rely on clinical judgment and independently verified information. The content provided herein does not replace professional discretion and should be considered supplementary to established clinical guidelines. Healthcare providers should verify all information against primary literature and current practice standards before application in patient care. Dr.Oracle assumes no liability for clinical decisions based on this content.

Have a follow-up question?

Our Medical A.I. is used by practicing medical doctors at top research institutions around the world. Ask any follow up question and get world-class guideline-backed answers instantly.