What is Berberine?
- Apr 22, 2025
Berberine is a bioactive alkaloid extracted from various plants. It is known for its vibrant yellow color and bitter taste. Historically, it has been used in herbal remedies to treat infections and support digestive health. As a supplement, berberine is typically taken in capsule or tablet form, sometimes combined with other ingredients to enhance absorption and effectiveness.
How Berberine Works
Berberine affects the body at a cellular level. One of its primary movements is activating a particular enzyme in the body. This enzyme, often referred to as a “metabolic master switch,” plays a key role in regulating how the body uses energy. By stimulating this enzyme, berberine may help improve various metabolic functions, including glucose uptake, fat oxidation, and insulin sensitivity.
Potential Health Benefits of Berberine
1. Blood Sugar Management
Several studies suggest that berberine may help lower blood sugar levels in people with type 2 diabetes. It appears to improve insulin sensitivity and reduce glucose production in the liver.
2. Cholesterol and Heart Health
Berberine may support cardiovascular health by helping to lower LDL (bad) cholesterol and triglyceride levels, while raising HDL (good) cholesterol. These effects could contribute to a reduced risk of heart disease over time.
3. Weight Management
By improving metabolic efficiency and supporting insulin function, berberine may aid in modest weight loss. Some small studies have shown that people taking berberine experienced reductions in body weight and waist circumference.
4. Gut Health and Inflammation
Berberine has natural antimicrobial and anti-inflammatory properties. It may help balance gut bacteria and reduce gastrointestinal discomfort, though more research is needed to understand these effects fully.


“Berberine supplements can be a valuable tool in supporting healthy blood sugar and cholesterol levels,” says Dr. Brent Bauer, an internal medicine physician at Mayo Clinic. “Berberine works at the cellular level and can help improve metabolism and can be helpful for those individuals managing type 2 diabetes or metabolic syndrome.”
Safety and Side Effects
Berberine is generally considered safe for most people when used short term and at recommended doses. Common side effects may include:
- Stomach cramps
- Diarrhea
- Constipation
- Nausea
To reduce gastrointestinal side effects, it may help to start with a lower dose and gradually increase it. It is also important to take berberine with meals.
Who Should Avoid Berberine?
Berberine may not be safe for everyone. Pregnant and breastfeeding women should avoid it, as it can cross the placenta and may affect newborns. It may also interact with medications, particularly those for diabetes, high blood pressure, and blood thinners. Always talk with your healthcare provider before starting berberine or any new supplement.
Final Thoughts
Berberine is a promising natural supplement with a range of potential benefits, especially for metabolic and cardiovascular health. While early studies are encouraging, more research is needed to confirm its long-term safety and effectiveness. If you’re considering berberine as part of your wellness routine, speak with your healthcare provider to ensure it’s a good fit for your health needs and goals.
*This article is intended for informational purposes only and should not be substituted for medical advice. For medical questions and advice, it is always best to consult with your trained physician.
Sources:
Alma Simmons RDN, L. (2025, February 12). Does berberine really help with weight loss?. Ohio State Health and Discovery. https://health.osu.edu/wellness/exercise-and-nutrition/berberine-weight-loss
Och, A., Och, M., Nowak, R., Podgórska, D., & Podgórski, R. (2022, February 17). Berberine, a herbal metabolite in the metabolic syndrome: The risk factors, course, and consequences of the disease. Molecules (Basel, Switzerland). https://pmc.ncbi.nlm.nih.gov/articles/PMC8874997/
U.S. National Library of Medicine. (n.d.). Berberine: Medlineplus supplements. MedlinePlus. https://medlineplus.gov/druginfo/natural/1126.html
Ye, Y., Liu, X., Wu, N., Han, Y., Wang, J., Yu, Y., & Chen, Q. (2021, April 26). Efficacy and safety of berberine alone for several metabolic disorders: A systematic review and meta-analysis of randomized clinical trials. Frontiers in pharmacology. https://pmc.ncbi.nlm.nih.gov/articles/PMC8107691/