Is Whey Protein Vegan and Vegetarian Friendly? Yes, whey protein is 100% vegan and vegetarian-friendly. Protein powders contain high-quality casein, lactose-free milk, soy, and egg whites, which are all acceptable for vegans and vegetarians. Vegan and vegetarian athletes use these types of protein powder supplements. Because they help provide the amino acids needed to build… Continue reading Is Whey Protein Vegan? Here’s What You Need To Know!