Find pain relief fast with the help of the Acetaminophen 500mg Extra-Strength Quick-Release Pain Reliever and Fever Reducer from up and up™. Each quick-release gelcap has 500mg of acetaminophen to help target muscular pain, headaches and fevers so you can get back to your day and feeling like your best self. Compare to the same active ingredient in Extra Strength Tylenol. 100percent Satisfaction Guaranteed. Size: 50 Count. Age Group: adult.