Doctor Formulated 4-in-1 Protein Powder was specially developed by Dr. Louis J. Aronne, a renowned physician and obesity medicine expert, to help support the unique nutritional needs of individuals on a Glp-1 weight management journey. This comprehensive formula goes beyond traditional protein powders by combining high-quality whey protein to help support muscle maintenance, myHMB and vitamin D to help defend against muscle loss, calcium and vitamin D to support bone health, and Fibersol-2 prebiotic fiber to promote digestive health and regularity. Designed to help fill nutritional gaps that can occur during weight loss, this science-backed formula provides targeted support for muscle, bone, and gut health in one convenient daily serving.