According to this website , Designer Whey contains hydrolysates. I keep Designer Whey in the cupboard, but haven't always used it for breakfast (I forget that it's there). I tried a shake this morning, mixed with unsweetened vanilla almond milk. Tasted fine--and, after an
FBG of 98 just before drinking the shake (and having a handful of walnuts, a spoonful of MCT oil and a cup of coffee ...