I've used this brand. I agree that it tastes great and I find it to be the best product for its price range. It has a good amount of protein per serving without a lot of extra fat or carbs. I see what you mean about the soy and I guess you are worried about the talk of soy protein causing various health problems. I don't think you have anything to worry about. It looks like the soy part is just an additive to help it mix, but not a major component of the product. I read an article sighting a study that showed soy caused testosterone levels to drop in bodybuilders. However, it did not show how much the drop was and unless you are a competitive bodybuilder, the decrease is probably insignificant. Anyway, that is my take on the situation, anyone is welcome to prove me wrong.