ACTIVE INGREDIENT: The active ingredient is acetaminophen 650 mg, a pain reliever/fever reducer; compare to the active ingredient of Tylenol 8HR 8 HOURS: This pain reliever/fever reducer provides up to 8 hours of relief to help you get through the day PAIN RELIEVER/FEVER REDUCER: Amazon Basic Care Acetaminophen Extended-Release Tablets 650 mg provides relief of minor muscle aches and pains, backache, minor arthritis pain, toothache, premenstrual and menstrual cramps, headache, the common cold and fever SAFE AND EFFECTIVE: For adults and children 12 years and older; features a push and turn cap that is child-resistant GLUTEN FREE: Contains no aspirin and is gluten free