Xtreme Body Mass Gainer is a scientifically proven mass-gaining formula for those who have a hard time gaining and maintaining weight. Body mass is recommended to everyone be it Sportsman or any other active individual. BBN provides the complete nutritional Supplement for all family members without any side- effect. It contains high-quality nutrition including proteins, essential vitamins. Regular use of Xtreme Body Mass gainer boost the metabolism of the body which helps in gaining weight & it increases the tremendous level of energy & strength of the body. It supplies essential nutrition to the body for building up of Body's tissues & cells which improve the overall health & functioning of the body.