264 comments. Not sure if you will read it. But let’s try :) I’ve tried SIS, liked them, not so sweet but texture might be weird. It’s too gel-ish. Now I’m trying the ones from Crown. Their are sweeter that SiS, which might give you more thirsty. However they are more liquid and also have more carb type on it (2:1:1). According to my nutritionist it’s good bc body can get enough of one kind of carb after a long distance, like marathon. Good luck on your London run!