Liquid Acetaminophen Extra-Strength 500 mg, Cherry Flavor, 8 oz, QC99764 Quality Choice Sale! This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. Compare to the Active Ingredient in Tylenol Extra Strength Liquid. Temporarily relieves minor aches and pains. Temporarily reduces fever. Aspirin and alcohol free.