Ph D Fitness Overview Growth Factor Mass is the All-In-One mass gaining formula that is without equal. Containing 57g of a quality mass gaining protein blend, together with 76g of a 5-stage carbohydrate matrix, Growth Factor Mass contains an unparalleled combination of the most intelligent & hard working sports nutrition ingredients available. Growth Factor Mass 9 can help you build serious muscle mass, increase explosive strength & support muscle building testosterone levels. Highlights+ Build serious muscle mass+ Easy to use all-in-one formula for mass gains+ Added dual creatine matrix+ Added Leucine, HMB & D-Aspartic acid+ Available in 3 delicious Ph D flavours