quinine

Certain toxic compounds, like quinine, taste "bitter" to bees, so the researchers sought to find out whether this sense of taste could help them avoid drinking pesticides.

Carbonated water failed to do that but it did inspire the creation of medicated water, or tonic water infused with quinine from the bark of the cinchona tree.

I used to have a prescription for quinine which would immediately end the cramps.

In one test, $1.6 million was sent to Thailand, where a lab ended up giving accidental doses of quinine to primate test subjects, killing three of them.

“The lime for scurvy, the fizzy water for anemia and other conditions, the quinine for malaria and the gin as a diuretic.”