Leader 8 Hour Muscle Aches & Pain Acetaminophen 650mg ER Tablets, 100 count Sale! from 999 1298 /per Qty. Add to Cart This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. Generic for Tylenol 8 Hour Muscle Aches and Pain Acetaminophen 650mg ER tablets 100 tablets Qty available:99 SKU:558528-00057700 Tweet