Whey powder was about turning a waste stream into profit, but it is a highly digestible protein with clear benefits. Human breastmilk is mostly whey with a bit of casein. Cow's milk is mostly casein with a bit of whey. While it's true that most americans are too sedentary to need the protein, they also don't eat whey powder, nor do they really understand why people do. Probably because of all those marketers and shysters confusing the issue trying to hock a product.
If you're concerned with health, ignore any advice from competition bodybuilders. They all take steroids and will often make things up to avoid admitting they take illegal drugs. Some also mislead others to give themselves a leg up. Arnold Schwarzenegger was known for pulling that one a few times.
A steak is better than whey powder because it contains a multitude of other aminos and nutrients. But who's gonna stick a steak in a blender?
If you're concerned with health, ignore any advice from competition bodybuilders. They all take steroids and will often make things up to avoid admitting they take illegal drugs. Some also mislead others to give themselves a leg up. Arnold Schwarzenegger was known for pulling that one a few times.
A steak is better than whey powder because it contains a multitude of other aminos and nutrients. But who's gonna stick a steak in a blender?