Instead, WFPB diets include small amounts of animal products like fish, eggs, cheese, chicken, and yogurt, although they’re primarily based on whole plant foods like vegetables, fruits, and beans.
Because of the emphasis on whole plant foods and the exclusion of highly processed foods, WFPB diets are rich in fiber and other beneficial nutrients. Plus, WFPB diets have been shown to promote weight loss.
For example, in a review of 12 randomized controlled studies, people who followed plant-based diets — including several that included some animal protein — lost significantly more weight over an average of 18 weeks than those assigned to non-plant-based diets.