When it comes to building muscle and maintaining a healthy body, protein is an essential nutrient that cannot be overlooked. While many people believe that animal-based proteins are the only way to meet their protein needs, plant-based proteins can be just as effective while also adding fiber to your diet. Sacrificing some of the anabolic effect provided by animal protein in favor of a high fiber option is a huge benefit for your digestive system and feeding the good bacteria in your gut.