Another two hours later, the dudes got on stationary bikes and went through a new round of workouts. Throughout the whole setup, the researchers collected blood samples and did muscle biopsies to get the guys' specs at every step of the way. (And for symmetry's sake, they brought the gang in again a week later and flipped the supplement and fast-food groups.) Cramer and his team found no significant difference in performance between the two groups. Their insulin, glucose, cholesterol, and triglyceride levels were also pretty similar, as was their "stomach discomfort." These findings indicate there's no real difference between eating an order of fries versus a bucket of supplements, though it's important to note how short the trial was, and also that these guys were highly trained athletes. So you probably shouldn't start eating Quarter Pounders after every run, but you also probably don't need to eat Cytomax powder, because screw that.
Kristin Hunt is a Food/Drink staff writer for Thrillist, and would never choose energy powder over fries. Follow her at @kristin_hunt.