Nutricost, Butterbur Extract, 75 mg, 120 Capsules

75 mg Per Serving 120 Servings Dietary Supplement Nutricost® Guaranteed Quality Vegetarian Product GMP Compliant Facility Non-GMO Product Third Party Tested Gluten-Free Butterbur extract is a promising natural treatment for allergies. It blocks the inflammatory chemical leukotriene that causes allergic reactions, relieving or in some cases preventing allergic reactions entirely. It also may have use for treating headaches and migraines.