Publisher's Synopsis
It may be high in added sugars and calories.
Some protein powders have little added sugar, and others have a lot (as much as 23 grams per scoop). Some protein powders wind up turning a glass of milk into a drink with more than 1,200 calories. The risk: weight gain and an unhealthy spike in blood sugar.
Makers of protein shakes may say that their products help lower body fat or promote weight loss. But protein shakes aren't a magic way to lose weight. Some studies find that consuming a higher than usual amount of protein in your diet may offer benefits.
Since we know from above that protein (and especially whey protein) stimulate insulin, consuming a high protein meal after a workout and even a whey shake directly after a workout stimulates insulin which halts muscle breakdown. The insulin also helps shuttle the protein into muscles to help BUILD muscle tissue
