If you know anything about growing muscle, you understand that whey protein needs to be the first supplement on your list. It's one of the highest-quality proteins you can consume, and it's especially effective when taken around workouts.

But, as you may have already noticed, the price of whey protein is steadily climbing. To understand why this is and how to cut your cost without cutting your protein intake, we need to explain how whey gets from the dairy farm to your shaker cup