better living through chemistry
Sep. 10th, 2003 11:38 am![[personal profile]](https://www.dreamwidth.org/img/silk/identity/user.png)
From Bawls' page on guaraná:
The Guarana berry contains a naturally-occurring form of caffeine which is 2.5 times stronger than the caffeine found in coffee, tea, and soft drinks.
How is one form of caffeine 2.5 times stronger than another form of caffeine?