Berberine is known for a number of benefits:

Antimicrobial and anti-inflammatory (used to treat bacteria, fungus, parasites, viruses)
Aids with bile and bilirubin secretion
Reduces elevated blood sugar, lowers insulin resistance and increases insulin secretion
Improves cholesterol balance (lowers cholesterol, triglycerides, and LDL-cholesterol and raises HDL-cholesterol
May help wih weight loss and in shrinking belly fat
Promotes healthy cellular lining of the blood vessels and lymphatic system
Inhibis thrombin-induced platelet aggregation
Reduces hepatic inflammation
Microbial-balancing effects, reduces dysbiosis in the gut
Reduces intestinal permeability