Oregon grape

http://www.uofmhealth.org/health-library/hn-2141009

1 Star Chronic Candidiasis Refer to label instructions	Oregon grape contains berberine, an alkaloid with antibiotic and antifungal activity that also been shown to help relieve the diarrhea seen in some people with chronic candidiasis.
1 Star Conjunctivitis and Blepharitis Refer to label instructions	Oregon grape contains berberine, an antibacterial constituent that has been clinically studied for eye infections.
1 Star Diarrhea Refer to label instructions	Berberine, a constituent of Oregon grape, has been shown to improve infectious diarrhea in some trials.
1 Star Indigestion, Heartburn, and Low Stomach Acidity Refer to label instructions	Oregon grape may stimulate digestion and relieve spasms in the intestinal tract.
1 Star Infection Refer to label instructions	Oregon grape is both immune supportive and antimicrobial.
1 Star Parasites Refer to label instructions	Berberine is derived from several plants, including Oregon grape. Studies have shown that berberine kills amoebae and can be used successfully to treat giardia infections
1 Star Psoriasis Refer to label instructions	Oregon grape has been shown to be effective against moderate psoriasis and to reduce inflammation.
1 Star Urinary Tract Infection Refer to label instructions	Oregon grape contains berberine, an alkaloid that may prevent UTIs by inhibiting bacteria from adhering to the wall of the urinary bladder.

Traditional Use (May Not Be Supported by Scientific Studies)

Before European colonists arrived, the indigenous peoples of North America treated all manner of complaints with Oregon grape.¹ The berries were used for poor appetite. A tea made from the root was used to treat jaundice, arthritis, diarrhea, fever, and many other health problems.