Other Information: Store at 68-77 degrees F (20-25 degrees C). Avoid excessive heat 104 degrees F (40 degrees C). Misc: Caplets (Capsule-shaped tablets). Acetaminophen extended-release tablets, 650 mg. Pain reliever/fever reducer. For the temporary relief of minor arthritis pain. Quality Guaranteed: Compare to Tylenol 8hr Arthritis Pain active ingredient (This product is not manufactured or distributed by McNeil Consumer Healthcare, distributor of Tylenol 8hr arthritis pain). See new warning. Contains no aspirin. Gluten free.