100 micellar casein is formulated using premium grade micellar casein powder it is considered the perfect shake for those who need a slow releasing protein to take before bed casein protein delivers a slow sustained release of aminos to the muscles whilst you sleep therefore better aiding recovery and growth r 100 micellar casein from tpwtm is also the first micellar casein product to be enhanced with patented aminogenr enzyme technology which studies show can aid protein uptake this