
Medical News Today has strict sourcing pointers and attracts only from peer-reviewed studies, educational research institutions, and medical journals and associations. We link primary sources — together with research, scientific references, and statistics — inside every article and also list them in the sources section on the bottom of our articles. You can learn more about how we ensure our content is accurate and current by studying our editorial policy. Consuming protein after train helps the muscles to heal and prevents the lack of lean mass. Lean mass contributes to a muscular and toned look. Sweet potatoes, grains, and fruits can contain high ranges of healthful carbohydrates, as can quinoa.