> The government stated that the syrup, when diluted as directed, would result in a beverage containing 1.21 grains (or 78.4 mg) of caffeine per 8oz serving<p>> Coca-Cola then voluntarily reduced the amount of caffeine in its product<p>That's interesting. 8 fl oz is 236ml, roughly the same size as a regular Red Bull can at 250ml which contains 80mg caffeine.<p>Caffeine mg per ml -<p>Monster Energy: 0.34<p>pre-1912, post-cocaine Coke: 0.33<p>Red Bull: 0.32<p>Modern Diet Coke: 0.12<p>Modern Coke: 0.09<p>People must have been pretty amped in the early 1900s.