These canned drinks taste quite similar! A little bit thicker in texture than the one you would get from Starbucks.
The coffee flavor in masked pretty heavily by chocolate and cream. I was afraid that it would have a weird off flavor because of how they emphasized "energy". I thought the vitamins and stuff might add a bad undertaste or chalky overtones or something.
Overall, I would say these taste just slightly worse than a well-made barista version, but it has the pros of costing less than half what the barista version would, being available in your fridge, not being at the mercy of overworked minimum wage employees, and it is also quite a bit more nutritious.
Cheaper than going to Starbucks, but still not very frugal buying these, although it is much more consistent and faster - I'd much rather buy these in bulk and drink one before work, than make a habit of visiting Starbucks. Recommended.