On workout days, shoot for about 2.5 grams of carbs per pound of body-weight. On rest days, you won’t need as many carbs — slice your intake in half to 1-1.25 g of carbs per pound of bodyweight. For most meals, choose slow-digesting carbs such as oatmeal, whole-wheat bread and yams. - See more at: http://www.flexonline.com/nutrition/10-rules-eating-mass?page=2#sthash.KWoKrGAV.dpuf