Black walnut green hull (responsibly wildcrafted) (fresh undried) (juglans nigra) extract (extraction rate 560 mg fresh herb per 0.7 ml). Other ingredients: certified organic cane alcohol (40-50%), certified organic vegetable glycerin, certified organic vinegar & distilled water.
Caution: not for long-term use of more than 6 weeks, followed by a 2 week break.,