We’re living in prime time for protein powders, with whey, hemp, soybean, and pea protein all readily available for your sipping pleasure. All protein powders look alike and taste at least vaguely similar, so it can be easy to think that their benefits are also comparable. But don’t be fooled: Animal protein powders (like whey) and plant powders (like soy and pea) don’t always have the same impact on lean muscle mass.