Genestra Berberis Formula Traditional Support for Intestinal Health and Microbial Balance Berberis Formula combines standardized extracts with the roots of the herbs to ensure a high alkaloid content. Berberis Formula is a unique combination of synergistic herbs, and the capsules are 100% pure vegetable-sourced. Key Benefits and Features: Includes a blend of barberry, Oregon grape, and goldenseal Provides traditional support for intestinal health and microflora balance Ingredients Serving Size: 1 Capsule Amount/Serving Barberry (Berberis vulgaris) Root Bark Extract (4:1) 800 mg Dried Equivalent 200 mg Oregon Grape (Mahonia aquifolium) Root Extract (4:1) 800 mg Dried Equivalent 200 mg Goldenseal (Hydrastis canadensis) Root Std. Extract (6:1) (5% Alkaloids) 300 mg Dried Equivalent 50 mg Barberry (Berberis vulgaris) Root 25 mg Oregon Grape (Mahonia aquifolium) Root 25 mg Other Ingredients: Hypromellose, cellulose, and silica. Suggested Use Take one capsule daily with a meal or as recommended by your health professional. Warning: If you are pregnant or lactating, do not use. Consumption with alcohol, drugs, or other supplements with sedative properties is not recommended. If you are taking any medication, or have any health condition, consult your health professional before use. Do not exceed the recommended dose. High dosages of berberine can depress respiration, stimulate intestinal smooth muscle, and reduce bronchial constriction. If the following symptoms occur: nausea, vomiting, drop in blood pressure, or difficulty breathing, discontinue use and consult your health professional. Keep out of the reach of children. Use only if the safety seal is intact. Storage: Keep tightly closed in a cool, dry place. More Info. Contents may not fill the package in order to accommodate required labeling. Please rely on the stated quantity.