Floral Nutrition Weight Gainer/Mass Gainer for Muscle Gainer - Men Women Weight Gainers/Mass Gainers (1 kg, Vanilla Icecream)Protein to Carb ratio is 1: 5 is the best required to gain healthy weight. FN Weight Gainer is an optimum blend of quality protein and carbs. hence, FN Weight Gainer is perfect solution to gain healthy weight for every individual. 514 k calories : This Weight Gainer with 514 k calories energy per serving with milk to promote faster muscle synthesis and prevent post workout muscle loss. High protein : FN Weight Gainer protein supplement provides 10 gm