is whey protein vegetarian
5 Vegetarian-Friendly Protein Powders. When it comes to protein powder, dairy products are not the only options. In fact, there are more vegetarian choices than ever! Here are 6 that need to be in your cupboard. When it comes to protein powders, dairy proteins are the crowd favorites. Most people reach for whey and casein when they're leveling a scoop for their post-workout shake, before bed to reduce overnight muscle breakdown, or as a meal replacement any time of day.