Parag Milk Foods Ltd has launched Avvatar Advanced Muscle Gainer, a new product specially designed to support lean muscle gain with controlled fat levels. The new product is available in pack sizes of 1.5 kg, 3 kg and 4.5 kgs. It is also available in chocolate flavour. The product is designed in such a way of simple carbohydrates and complex carbohydrates along with high protein content. This makes the body to use simple carbs for immediate energy and complex carbohydrates for sustained energy needs, leaving the protein to build body mass.