9. Constipation
Imagine Tony’s surprise when he learned it was the protein shakes that bound him up. Even in delicious liquid form, too much protein can lead to dehydration and that often leads to constipation…and a face only a mother could love.
10. Bodybuilding
These warnings might not apply to bodybuilders. In an article on bodybuilding.com, the author recommends and offers support for eating 4X the doctor-recommended daily intake of protein when the goal is to bulk up. He acknowledges the potential tax the additional protein has on the kidneys and simply recommends drinking plenty more water.