BUTTERBUR EXTRACT - This Extract is a food supplement of butterbur (Petasites hybridus) standardized to 15% petasin and isopetasin. SUBSIDIZED EXTRACT - Butterbur Extract boasts a rich history of traditional use, explore the natural goodness of Butterbur Extract, now available in convenient vegetarian capsules. NON-GMO, GLUTEN FREE, SOY FREE, VEGAN - Supersmart offers you an outstanding quality and choice of supplements for women and men, difficult to find elsewhere. Recommended Use - Take 3 capsules a day. Do not take if allergic to fish or shellfish. Store in a cool, dry place, away from light. 100% Satisfaction - Since 1992, Supersmart wants you to be fully satisfied. Ping us 24/7 regarding any questions you may have. A pioneer in dietary and nutritional supplements for over 30 years. Supersmart Butterbur Extract is an extract of Petasites hybridus, standardized to 15% active ingredients. This is an effective form for men and women. It is encapsulated in a vegetable capsule, ensuring a maximized effectiveness of Butterbur Supplement for all. Our products and formulas are constantly updated to reflect the latest scientific research, advances, and production methods. We offer an outstanding quality and choice of Gluten Free, Non-GMO, Additive Free, Soy Free, Nano Particles Free and Vegan Friendly products. Supersmart offers top and pharmaceutical quality products since 1992 in form of softgels, powder, capsules, tablets, and enteric coated pills. More than 400 Supersmart products are made in GMP (Good Manufacturing Practices) & HACCP (Hazard Analysis & Critical Control Points) certified facilities. Our facilities are located in the EU and in the USA for products from all around the world. Our guiding principles have remained the same for the past 30 years, we prioritize quality, safety, efficacy, and scientific validation.