Pro360 weight gain protein powder serves as a source of calorie, so you can use it to get the extra calories needed for weight gain. It might also help you to bulk up and add lean muscle to your frame. It also focuses on enhancing your stamina and strength thus allowing you to regain optimum weight without compromising your health. It is fortified with lysine which helps in increasing your appetite thus resulting in weight gain, essential proteins, carbohydrates, fat, and fibers to increase your weight and improve your immune system.