Berberine is a compound found in plants such as barberry and goldenseal. There is some clinical evidence that it may lower blood sugar and cholesterol in people with type 2 diabetes. However, berberine may not be safe for certain people and it can interact with a number of medications. See the full answer for details >>
ConsumerLab.com will be purchasing and testing berberine supplements, with results due in 2017. To be alerted when the results are published, get our free newsletter or follow us on Facebook, Google +, or Twitter.