Caffeine is a xanthine alkaloid found naturally in tea, coffee, and cacao. It stimulates the central nervous system by reversibly blocking adenosine receptors. Adenosine is a molecule which induces drowsiness.
In this design, nitrogen and oxygen atoms are indicated by text embedded in the spheres and all double bonds are represented.
The pendant is approximately 2 cm (0.8 inches) wide and 2.5 cm (1 inch) long below the loop.
The pendant is 3D printed in 14K gold plated brass or 14K rose gold plated brass, finished with a 45 cm/18 inch long gold plated or rose gold plated silver chain*, and is ready for gift giving with a gift box, polishing cloth, and care instructions.
*While a 45 cm/18 inch fits most, other chain lengths are available. At checkout, write a note indicating your preference.
All jewelry ships free of charge from the Ontogenie workshop in Germany. If you live outside of the EU, you may be charged customs or import fees.
T-Shirts, mugs, and art prints ship free and directly from where they are printed, usually a printing company close to your location.