Published 30 April 2019 12:17 What is the caffeine content in your Energy Drink mix? Is is the same across all of your caffeinated flavors? The Energy Drink has 80mg of caffeine per 8oz serving. Other SodaStream caffeinated flavors contain 31 mg per 8oz serving. Related articles Do your flavour syrups contain aspartame? Do your Fruit Drops flavors contain sucralose? Sparkling Water Maker Comparison Guide The fruit flavor ingredients say "natural ingredients". What does that even mean? What ingredients are in your flavours?