Goody's Extra Strength Pain Relief 325 mg - 500 mg - 65 mg Acetaminophen / Aspirin / Caffeine PowderPain Relief Goody's Extra Strength 325 mg 500 mg 65 mg Strength Acetaminophen Aspirin Caffeine Powder 24 per Box Aspirin the original wonder drug reduces pain by reducing inflammation It is thought acetaminophen may block cyclooxygenase enzymes at the source of the enzyme's production (in the brain), thus blocking transmission of pain nerve impulses Caffeine is included because it enhances the efficacy of both aspirin and acetaminophen Acetaminophen