It’s not “like” milk... It IS milk. Just the protein and concentrated.
Alternate meat and whey proteins. Guys should stay away from soy proteins as they contain veggie estrogen. Doesn’t work QUITE the same way animal estrogen does, but why risk it? ;-)
http://www.menshealth.com/nutrition/soys-negative-effects
http://www.bodybuilding.com/fun/core_march_9.htm
I knew the soy was a bad idea. He eats plenty of meat, I think, but he likes the extra protein from the milkshake, especially when he’s running and doing weights.
It funny that “they” would be concerned about a boy’s spending two hours a day in the gym, but not about his spending two hours a day playing video games or eight hours a day sitting in classrooms not paying attention.