The caffeine content in every coffee depends on the proportion of Robusta in the blend (Robusta contains roughly twice as much caffeine as Arabica) and the amount of ground coffee used for a cup.
For Vertuo, the caffeine content in every espresso can vary according to the size cup and the coffee blend:
Espresso (40 ml): 70-150 mg / cup
Gran Lungo (150 ml): 120-200 mg / cup
Mug (230 ml): 140-200 mg / cup
Half Caffeinato (230 ml): 70 mg / cup
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