Post-Workout Guidelines – Multiplying his bodyweight by grams of protein reveals that he should eat about 46 grams of protein in his post-workout meal → (185 lbs.) x ( g/lb.) = ( grams of protein). Note that Freddy can only eat 160 grams of carbs per day, and he's already down by 46 grams just from pre-workout carbs. So, we'll find Freddy's carbs by multiplying his bodyweight by the minimum grams, which equals 46 grams → (185 lbs.) x ( g/lb.) = ( grams of carbs). In summary, Freddy should eat 46 grams of protein and 46 grams of carbohydrates for an ideal post-workout meal. Fats are optional.