Paracetamol (Tylenol; acetaminophen): How can the potency be increased?

Paracetamol (aka Tylenol; acetaminophen) is a weak analgesic and people often wonder if the potency can be increased. This video discusses that, and the safety issues around the drug.

[Suitswonderland]

Is it not they are just metabolised different, since they are both COX 1 inhibitors the stomach issues which come when combined or even used alone.