Reflex Nutrition Instant Mass Heavyweight is a calorie dense weight gainer designed to build muscle and strength.It contains a high biological value Protein Blend of fast and slow release proteins. This is to ensure a continual stream of Protein to the muscles. Protein contributes to a growth in and the maintenance of muscle mass and therefore increasing protein intake is recommended for those wishing to build muscle. Each serving of Instant Mass Heavyweight contains 60g of Protein per serving.Each serving also provides 3g of Creatine. At this daily dose, Creatine helps to increase physical performance in successive bursts of short-term, high intensity exercise. It also contains a CarboBiotics Carbohydrate Complex with no added sugars. Instant Mass Heavy Weight also contains 18 Vitamins and Minerals to support well-being. These include B Vitamins, Vitamin A, C & D3 as well as the Minerals Zinc, Copper and Iron. Reflex Nutrition recommend consuming Instant Mass Heavyweight between meals, after your workout and before bedtime. This product is suitable for Vegetarians.