The clear winner was for Optimum Nutrition Gold Standard, a whey protein powder. "I've been exclusively using Optimum Nutrition Gold Standard 10-pound bags for years now. 142 servings for $124.

Keep reading for our picks of the 10 best protein powders. This high calorie protein supplement from Transparent Labs is designed to support healthy weight gain. It’s formulated with whey ...

You also get this giant five-pound tub for $70–a steal for grass fed whey protein. Ora Organic’s protein powder features kale, acai, blueberries, rice protein, pea protein, hemp, flax ...