each scoop weighs prob 40 grams
28.5 grams of protien,carbs,fat
the other 12.5 grams is fiber,guar gum,additives,vitamins, minerals ,flavor and even moisture.
read the contents see what it says.
I know what you mean about " weight " vs " protien " does not seem logical at times but when you factor in the stuff they add in (read your label) it will make more sense.