Whey protein leucine and vitamin d supplement preserves muscle mass in obese dieters

A dietary supplement high in whey protein, leucine, and vitamin D preserves muscle mass in the arms and legs of obese older adults when they lose weight, a study shows. Intentional weight loss in obese older adults is a risk factor for muscle loss and sarcopenia. - the degenerative loss of skeletal muscle mass (0.5–1% loss per year after the age of 50), quality, and strength associated with ageing.