Personally they are technically both suitable gutloads but I wouldn't use either because their balance of ingredients is very messed up. Brewer's Yeast should not be high up on the list and neither should be stabilized rice bran. I only use a tablespoon of brewer's yeast in my entire gutload when I make it because though it has some very good benefits, it also can easily have some very detrimental affects if too much of it is used. Also there are some weird ingredients in Superload that are unnecessary, but so is there in bug burger. I mean they are technically fine, and are better quality than many other commercial gutloads out there. But there are better choices available too.