Caffeine is a CNS stimulant of methlxanthine class of psychoactive drugs. It is the world's most consumed legal psychoactive drug. It is a bigger white crystalline purine, a methylxanthinealkaloid. Caffeine is mainly found in seeds, nuts or leaves, native to South America and East Asia. The most well known source is the seed of the Coffea plant.
- Necklace chain is 18 inches
- Charm is 1 inch long