[refurb]

How do you know the caffeine in soda and energy drinks is synthetic? Why not just use the leftover caffeine from decaffeination of coffee?

[strictnein]

Synthetic is cheaper.

> "But most of the caffeine used in soft drinks is actually synthetically produced in Chinese pharmaceutical plants."

http://www.npr.org/sections/thesalt/2014/03/13/289750754/wak...