Homeopathic. Since 1903. Migraine Relief (see note on back panel below drug facts. Claim based on traditional homeopathic practice. Not accepted medical evidence. Not FDA evaluated). Tough on pain - gentle on you. No acetaminophen. No ibuprofen. No caffeine. No known drug interactions. Natural relief. Safe & gentle. Natural active ingredients. No side effects. Package contains one bottle. www.hylands.com. Please recycle. Other information: Do not use if imprinted sealed for your protection tamper-evident bottle cap band is broken or missing.