Reflex nutritions micellar casein provides a lengthy release of amino acids because of its unique digestibility it forms a gel in the stomach slowing the transit time in the digestive system thus slowing the digestion of the protein this makes it ideal when a slow and lengthy supply of protein is needed the micellar casein offered by reflex nutrition is manufactured by ultra filtration of skimmed milk this process removes excess lactose and fat the resulting raw material is about 85 pro