Cnp pro masscnp pro mass is widely regarded as one of the leading mass builders available in the uk as with any cnp product this supplement has been engineered to an incredibly high standard with bodybuilding in mind high protein high carbohydrate low fat mass gainer high calorie drink packed full of anabolic nutrients increased anabolism and muscle growth optimum protein blend of fast and slow release aminos complex carbohydrate source with a high glycemic index score for easy digestion gre