Take the 2-minute tour ×  Milk has an 80:20 casein:whey protein
ratio according to Wikipedia.   Can skim cow milk be effectively
used as a pre-bedtime drink for slow release of casein protein
as one sleeps? Do casein protein powders found in health stores
offer any advantages over skim milk?  share|improve this
question I'm not yet familiar enough with the details of casein
to make an answer, but why do you specify skim milk? Whole milk
is generally the drink of choice among lifters of all sorts. – 
Dave Liepmann Aug 22 '11 at 4:05 Because I'm trying to gain
muscle and lose fat at the same time. –  JoJo Aug 22 '11 at 5:27
1 Answer 1  up vote 0 down vote accepted  I think you'll find
this article by Tom Venuto interesting esp. since you want to
gain muscle and lose fat at the same time which is basically
what his book, Burn the Fat, Feed the Muscle is about. It is a
long article that discusses proteins, and food vs supplements.
In general, he writes that:   (as long as you are getting your
complete proteins w