How Much Sugar In A Latte Coffee. A starbucks espresso shot contains about 75 milligrams of caffeine — higher than the average of 64. On the other hand, a venti has 55 grams of sugar (unless you have it with oat milk, in which case it has a staggering 72.

The 12 ounce serving size of dunkin’s matcha latte contains 21 grams of sugar, despite the fact that matcha lattes have the potential to be a more beneficial and natural source of caffeine. Then add in the sugar that you add, and you are. On average, a latte contains about 128 milligrams of caffeine.





