Too much protein can be bad for your kidneys. Whey is the only way for post-exercise protein … If you’re an athlete – or someone working with athletes – looking for nutrition advice, you’ll come across many such claims. How do you determine what’s true and what’s simply a myth? If you’re Jennifer Sygo, renowned Canadian dietitian and sports nutritionist, you’ll consult the research, the kind of research conducted by Daniel Moore, associate professor at the University of Toronto with expertise in protein metabolism and sport nutrition.