Maxi nutrition progain fjack bberry cranb 90g 12 pack progain flapjack bars are an ideal high protein formula for hard gainers and weight trainers needing extra calories to increase muscle size 24g protein 3g creatine 45g carbs high quality protein nourishes working muscles allowing them to make bigger gains proteins break down into amino acids which the body uses to help rebuild and grow muscle fibres progain bars give your body the calories and more importantly the high quality prot