Caffeine molecule can be worn as a pendant or an earring. The hole for links are 1.5mm diameter. This is for the pendant only and it does not come with a chain or hook.
Caffeine acts as a central nervous system stimulant, temporarily warding off drowsiness and restoring alertness. It is the world’s most widely consumed psychoactive drug, but unlike many other psychoactive substances, it is legal and unregulated in nearly all parts of the world. Beverages containing caffeine, such as coffee, tea, soft drinks, and energy drinks, enjoy great popularity. In North America, 90% of adults consume caffeine daily.