Consumer Reports News: July 28, 2011 05:43 PM. The maximum daily dose for Tylenol will be lowered on all acetaminophen-containing adult products from 4,000 mg (8 Extra Strength Tylenol pills) to 3,000 mg (6 pills), the manufacturer said today. The move is intended to reduce the risk of accidental acetaminophen overdoses that can lead to liver failure and death.