Soy protein powders usually contain only two ingredients, soy protein and soy lecithin, so you don’t need to worry about consuming animal byproducts or foods that go against your diet.

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Whey, hemp, soy, casein — looking at different types of protein powder can get a little overwhelming. OK, a lot overwhelming.

Plant-based complete proteins also do exist—these would be anything soy-based, says Grasso, like a soy protein isolate or a pea protein. What should you look for in a whey protein powder?

Protein (soy protein isolate), carbohydrate (corn syrup solids), fat (palm olein, soy, coconut, high oleic sunflower, mortierella alpina, crypthecodinium cohnii oils), soy lecithin, mono- and ...