Not all protein powders are created equal. Find out which popular ones are packed with added sugars, artificial ingredients ...

Share on Pinterest Are ‘high-protein’ food items, like protein bars, really all that healthy? A study from Spain casts doubt over their nutritive value. Image credit: Westend61/Getty Images.

Many protein powders are made with whey protein, which is isolated from milk. People with allergies or sensitivities to dairy should not use whey-based protein powders. Other protein powders can be ...