how many mg of tylenol per day
4 grams/day is the maximum amount. That is equivalent to 8 extra strength (500 mg/tablet) Tylenol tablets. Adults should not take more than 1 gram (1000mg) at a time. The FDA released a statement on June the 30th recommending lowering the maximum dose to 3000 gm per day. 4 grams/day is the maximum amount. That is equivalent to 8 extra strength (500 mg/tablet) Tylenol tablets.<br />Adults should not take more than 1 gram (1000mg) at a time.<br /><br />The FDA released a statement on June the 30th recommending lowering the maximum dose to 3000 gm per day.