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 magnificent amount of protein with 11.43 grams per 200 calories, it is around the same amt as milk shakes, dips and granola. Compared to foods in the same food group, this specific food has a tremendous degree of protein.