Tylenol Arthritis Pain provides relief from pain caused by arthritis for up to 8 hours with Tylenol's patented bi-layer caplet. The first layer dissolves to quickly relieve you of pain, and the second layer is time-released to provide extended pain relief that lasts up to 8 hours. Tylenol Arthritis Pain is also very gentle on your stomach, unlike other pain medications. This product's easy-to-open cap has been approved by The Arthritis Society.