Hydrolyzed casein elicits a lesser muscle protein synthesis response than whey, potentially due to lower leucine content.

“Now we thought that's maybe only because of the more rapid digestion and absorption so we hydroly the casine make it more rapidly digestible so it was just as easily digested and absorbed as the way but it still had a lesser response so that might be due to the lesser amount of Lucine in casine than in Whey”