I use Hammer perpetuem caffe latte and go for two scoops per hour (270 cals, 54g carbs) augmented with a 21oz bottle of water per hour.
edit: added nutrition info
I use Hammer perpetuem caffe latte and go for two scoops per hour (270 cals, 54g carbs) augmented with a 21oz bottle of water per hour.
edit: added nutrition info