Berberine provide a wide range of health benefits and according to studies may positively influence insulin resistance, obesity, type 2 diabetes, and symptoms associated with metabolic syndrome such as high cholesterol and high blood pressure. (10)(11)(19) Berberine also demonstrates antifungal activity and has been used as a treatment for Candida and may influence certain hormones to aid in PCOS. (4)(13)(17) It truly is a remarkable herbal medicine.
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What Is berberine?
Berberine is a natural compound found in several plants, including goldenseal, Oregon grape, tree turmeric, and barberry. It has been a staple of Chinese and Ayurvedic medicine for thousands of years and grows in moderate and semi-tropical regions of Asia, Europe, Africa, North America, and South America. (14)
What does berberine do?
In the human body, berberine’s key mechanism of action is the activation of adenosine monophosphate-activated protein kinase (AMPK). (15) This is an important enzyme, sometimes referred to as “the metabolic master switch” because it helps regulate certain biological activities including lipid, glucose, and energy metabolism. Because berberine is an aldose reductase inhibitor, berberine may also have a positive effect on blood sugar regulation and diabetes. Aldose is an enzyme that has been shown to negatively affect blood sugar issues in individuals with diabetes. (8)

7 berberine supplement Benefits
The list of potential health benefits of berberine is long and diverse. Berberine has been the focus of numerous studies and in some cases, it was compared to or used in conjunction with pharmaceuticals. Check with your healthcare practitioner to see if berberine supplementation is right for your treatment plan. Here are some of the benefits of berberine:
1. May lower blood sugar
One of the most well-known conditions associated with elevated blood sugar levels is diabetes. Research has demonstrated that berberine may lower blood glucose levels, specifically fasting blood sugar and the blood glucose marker hemoglobin A1C, by increasing insulin receptor expression. (20)
In fact, berberine has been used to aid the treatment of diabetic patients in traditional Chinese medicine for hundreds of years. (21) According to a 2012 meta-analysis of 14 different studies featuring more than 1,000 people, berberine was able to help with glycemic control as much as the standard diabetes medications metformin, glipizide, and rosiglitazone. Furthermore, it had an additional improvement on cholesterols. And when berberine was examined in co-interventions alongside these medications, an additive effect was noted. Finally, unlike these medications, berberine was noted to have no serious adverse effects reported. (5)
2. Can lower blood pressure
There is some research demonstrating that berberine may lower blood pressure via vasodilation and relaxing smooth muscle cells within blood vessel walls. Berberine may work similar to calcium channel blocker medications by reducing vascular hardening in the arteries and high blood pressure. (1)

3. May lower cholesterol
High cholesterol is considered an independent risk factor for heart disease. Berberine may help lower cholesterol by clearing low-density lipoprotein (LDL) in the liver as it upregulates LDL-receptor expression. (16) A 2013 meta-analysis of randomized controlled trials demonstrated that berberine was safe and effective at lowering LDL, triglycerides, total cholesterol, and raising high-density lipoprotein (HDL). (6)
4. Can kill candida
Berberine may have antifungal properties, specifically against the yeast Candida. A 2016 in vitro study demonstrated that berberine was effective at killing fluconazole-resistant strains of candida. (3) Research suggests that berberine kills yeast by attacking the cell membrane. (22)
5. May help with hormonal issues and PCOS
When cysts develop on the ovaries, a hormonal condition known as polycystic ovary syndrome (PCOS) can develop. This condition is characterized by a hormone imbalance that may cause women to skip menstrual periods and have difficulty getting pregnant. Women and individuals with ovaries who have this condition can often have glycemic control issues. A 2015 study involving Chinese women with PCOS demonstrated that berberine alone was effective at improving the menstrual pattern and ovulation rate of the women, perhaps partially by improving insulin resistance. (12)
6. Can treat SIBO
Small intestinal bacterial overgrowth (SIBO) is becoming more common in clinical practice and in some cases, oral antibiotics are used to treat this condition. According to a 2014 study featuring 104 patients diagnosed with SIBO, berberine was just as effective as the antibiotic Rifaximin at providing a negative SIBO test result using the lactulose breath testing diagnosis tool. (2)
7. Aids in weight loss
Given berberine’s positive effect on metabolic syndrome, it’s not surprising that it could also help with weight loss. A 2012 study that featured patients diagnosed with metabolic syndrome showed that three months of treatment with berberine resulted in a decreased body mass index (BMI) and leptin levels (hormone that helps regulate satiety), demonstrating that it may improve insulin sensitivity and inhibit fat storage. (18)
Berberine side effects
Negative side effects of berberine may include symptoms such as bloating or upset stomach. Speak with your healthcare practitioner first before taking a berberine supplement.
Try berberine supplements for their myriad health benefits
Given the many therapeutic applications of this substance, berberine supplement intake may be appropriate for most individuals. Researchers continue to examine the potential benefits of berberine to human health. These benefits include having positive effects on conditions such as SIBO, PCOS, and diabetes, having antifungal properties, and positively affecting weight loss, cholesterol, and blood pressure levels.
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- Bagade, A., Tumbigeremutt, V., & Pallavi, G. (2017). Cardiovascular effects of berberine: A review of the literature. Journal of Restorative Medicine, 6(1), 37–45.
- Chedid, V., Dhalla, S., Clarke, J. O., Roland, B. C., Dunbar, K. B., Koh, J., Justino, E., Rn, E. T., & Mullin, G. E. (2014). Herbal therapy is equivalent to rifaximin for the treatment of small intestinal bacterial overgrowth. Global Advances in Health and Medicine, 3(3), 16–24.
- da Silva, A. R., de Andrade Neto, J. B., da Silva, C. R., Campos, R. D. S., Costa Silva, R. A., Freitas, D. D., do Nascimento, F. B. S. A., de Andrade, L. N. D., Sampaio, L. S., Grangeiro, T. B., Magalhães, H. I. F., Cavalcanti, B. C., de Moraes, M. O., & Nobre Júnior, H. V. (2016b). Berberine antifungal activity in Fluconazole-Resistant pathogenic yeasts: Action mechanism evaluated by flow cytometry and biofilm growth inhibition in candida spp. Antimicrobial Agents and Chemotherapy, 60(6), 3551–3557.
- Dhamgaye, S., Devaux, F., Vandeputte, P., Khandelwal, N. K., Sanglard, D., Mukhopadhyay, G., & Prasad, R. (2014). Molecular mechanisms of action of herbal antifungal alkaloid berberine, in candida albicans. PLoS ONE, 9(8), e104554.
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- Gupta, S., Singh, N., & Jaggi, A. S. (2014). Alkaloids as aldose reductase inhibitors, with special reference to berberine. The Journal of Alternative and Complementary Medicine, 20(3), 195–205.
- Huang, P. L. (2009). A comprehensive definition for metabolic syndrome. Disease Models & Mechanisms, 2(5–6), 231–237.
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- Li, L., Li, C., Pan, P., Chen, X., Wu, X., Ng, E. H. Y., & Yang, D. (2015). A single arm pilot study of effects of berberine on the menstrual pattern, ovulation rate, hormonal and metabolic profiles in anovulatory chinese women with polycystic ovary syndrome. PLOS ONE, 10(12), e0144072.
- Mirzaee, F., Razmjouei, P., Shahrahmani, H., Vafisani, F., Najaf Najafi, M., & Ghazanfarpour, M. (2020). The effect and safety of berberine on polycystic ovary syndrome: A systematic review. Journal of Obstetrics and Gynaecology, 41(5), 684–689.
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- Wang, Y., & Zidichouski, J. A. (2018). Update on the benefits and mechanisms of action of the bioactive vegetal alkaloid berberine on lipid metabolism and homeostasis. Cholesterol, 2018, 1–17.
- Xie, L., Zhang, D., Ma, H., He, H., Xia, Q., Shen, W., Chang, H., Deng, Y., Wu, Q., Cong, J., Wang, C. C., & Wu, X. (2019). The effect of berberine on reproduction and metabolism in women with polycystic ovary syndrome: A systematic review and Meta-Analysis of randomized control trials. Evidence-Based Complementary and Alternative Medicine, 2019, 1–14.
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- Yin, J., Xing, H., & Ye, J. (2008). Efficacy of berberine in patients with type 2 diabetes mellitus. Metabolism, 57(5), 712–717.
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