This product is great for both carbnighters and carb backloaders, obviously if your doing carbnight and not training theres no point in taking it
if you have a tough time eating all the carbs to get the big insulin spike while on CN, it is good to have. For example, some people can't eat enough food, they just get too full too quick. This supplement would get them that spike and not have to worry about eating to the point of being sick.