Nutrients/Active Ingredients: Vitamin A, C, vitamin B complexes, E, F, calcium, copper, potassium, phosphorus, manganese, iron, zinc, and sodium.  Contains an alkaloid and berberines.  Alkaloids are thought to have antimicrobial qualities.  Berberines are thought to support you endocrine and cardiovascular system. 
Uses by system and symptom: 
Cardiovascular: Used for high cholesterol and lipids ( hypocholesteremia and hyperlipidemia), and high blood pressure.
Digestive/Gastrointestinal: Mucous membranes infections in digestive system.  Can be used in mouthwashes for sore mouth and gums.  As a bitter often used for liver, gallbladder, and digestive problems.  Has been used as a liver detoxification herb.
Endocrine:  Has been used to decreased blood sugar.
Integumentary/Skin:  Mucous membranes infections in/on skin.  Used for eczema, psoriasis, skin infections, abscesses, and wounds.
Respiratory:  Bronchial congestions related to Mucous membranes infections.
Urinary: has been used to treat urinary tract infection (UTI)
Immune: Often used with echinacea to fight colds/flus/ and infections by treating mucous membranes.  Has been used to try to prevent cancer.
Male/Female Reproductive: Mucous membranes infections
Other: Has been used as an insect repellant. 
Common doses and preparation: Tea, tincture, salve, douche.  Not recommended to use over 3-4 weeks.  
Side Effects/Precautions/Interactions:  Not recommended for children or pregnancy.  May lower blood sugar and blood pressure. 
* This statement has not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. For educational purposes only. We recommend speaking with a physician or health care professions, especially if you have medical conditions, are pregnant or lactating, on medications, or use with children and infants.