Yes, whey protein powder is made from a milk byproduct of the cheese making process and is a complete protein with high levels of all essential amino acids.

The amount of whey protein powder you should use depends on your goals and workout routine.

Whey protein powder has been shown to be very good for those seeking weight loss.

Yes, whey protein powder is naturally gluten free, but you should also check any included additives.

Whey protein powder has been shown to be the most effective protein powder for increasing muscle size and bulking up.

Yes, whey protein powder can be used effectively before bed if after a resistance training workout, but casein is a better choice if you have not had a workout.

Yes, whey protein powder does lose its protein efficiency and expire, but it lasts a good long while when stored correctly.

Whey protein powder can assist with muscle protein synthesis, improves strength and can even assist with weight loss.

The quick answer is no, whey protein is not paleo as it's an isolated fraction of whole cows milk.

As whey and casein are both proteins from milk, whey concentrate can contain some traces of casein protein.