Not all whey protein powders are lactose free. Cheaper, less efficient whey protein powders are made with whey concentrate and contain high lactose levels.

Whey protein costs can vary greatly between brands, but you can expect your protein powder to cost anywhere between $0.40 to $1.50 per 30 grams.

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

For beginners starting out, the great variety of protein powder supplements can be a little overwhelming.

Unfortunately whey protein powder is not vegan, as it's a milk byproduct of the cheese making process.

Whey protein powder is made from a high protein milk byproduct of the cheese making process.

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

Whey protein powder can be an excellent source of additional protein during pregnancy, but caution should be taken in its use.

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

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