Herbalife milkshake and protein powder can both lose weight and gain muscle (that is, gain weight). Different methods will achieve different results. Losing weight is to control calorie intake below calorie consumption. At this time, it is meal replacement milkshake and protein powder to control calorie intake to lose weight, and muscle gain means to control calorie intake higher than calorie consumption, which requires a lot of protein supplementation and anaerobic exercise. At this time, add milkshake and protein powder to supplement calories and protein. Different usages have different effects.