With some Economy Fares the maximum combined Linear Length of any two pieces of checked baggage is 273cm/107in but no one piece may exceed a Linear Length of 158cm/62in - in which case the other piece may not exceed a Linear Length of 115cm/45in.
So for a 30 gram serving of protein it would cost about $1 per day. From these two samples of protein powder I found that an acceptable price range for 30 grams of protein from protein powder is between $1 and $1.50 (assuming close to equivalent protein powder quality).
How much protein are in 1 serving? Having a minute amt of protein containing 0 grams for every 300 calories, it contains the same amount as red wine, syrup and ketchup. Only 0% of all foods in our system have a lower ratio of protein to calories.