Some times advil works. Some times aspirin works. Some times Tylenol works. Some times none of them work. There’s all kinds of substances that are available freely that can kill you if you take too much. NSAIDS, Imodium, DXM, iron supplements.

Water. https://en.wikipedia.org/wiki/Water_intoxication Meat. https://en.wikipedia.org/wiki/Protein_toxicity