Health Risks According to a “Consumer Reports” article published in 2013, many protein shakes contain hormones that can cause negative side effects for teens. For that reason, the Academy of Nutrition and Dietetics does not recommend that any teens take protein supplements.
Whey protein consumption can hamper the regular functioning of your kidneys by increasing the plasma urea content, urinary calcium excretion, and urinary volume. This overburdens the kidneys and can lead to kidney stones.