theobromine
/ˌθiəˈbroʊmin/
noun
- A bitter alkaloid found in cacao beans, chocolate, and some other plants, similar to caffeine and used as a stimulant and diuretic.
- Theobromine is safe for humans but can be toxic to dogs and cats.
- Some energy drinks include theobromine derived from cacao for a mild stimulant effect.
- Dark chocolate contains more theobromine than milk chocolate.