Collated by Sally Cross, Natural Change Coaching. Master Herbalist.
Berberine, a staple of Chinese and Ayurvedic medicine, is a natural compound found in several plants, including goldenseal, Oregon grape, tree turmeric, and barberry. It grows in moderate and semi-tropical regions of Asia, Europe, Africa, North America, and South America.
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.
In fact, berberine has been used to aid the treatment of diabetic patients in traditional Chinese medicine for hundreds of years. 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.
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.
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 up-regulates LDL-receptor expression. A 2013 meta-analysis of randomised controlled trials demonstrated that berberine was safe and effective at lowering LDL, triglycerides, total cholesterol, and raising high-density lipoprotein (HDL).
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. Research suggests that berberine kills yeast by attacking the cell membrane.
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.
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.
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.
Berberine side effects
Negative side effects of berberine may include symptoms such as bloating or upset stomach.
Contra-indicated in pregnancy, jaundice. It is recommended that you speak with your healthcare practitioner first before taking a berberine supplement.
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.
Sourced from an article written by Karolyn Gazella
Medically reviewed by Dr. Peter Woznik, ND, MSc
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