The Monster Hangover Patch is formulated to aid the hangover symptoms. Some nutrients are typically depleted during alcohol consumption. The Monster Hangover Patch reduces your recovery time the day after your epic experience. All products, Approved by CE, ISO9001, ISO13485 manufacturer, 21 CFR211.132 compliant (Tamper Proof Packaging" 3rd Party Certificate of Analysis Available upon request All Natural Organic Ingredients Vitamin A 1mg Vitamin C 12mg Vitamin B12 1000mcg Vitamin B2 1.7mg Vitamin B3 19mg Vitamin B5 5mg Vitamin B6 2mg Folic Acid 4000 mcg Vitamin D 5mcg Vitamin E 10mg Vitamin B1 150mg Green Tea Extract 10mg Inactive Ingredients: Acrylic Copolymer Adhesive. The Patch does not contain latex. NO Odor, Water Proof, Gluten Free