What is protein mocha protein mocha is a great tasting hot drink with over 15g of protein sourced from a unique combination of milk protein concentrate peptopro casein hydrolysate and micellar casein each serving includes 10 real instant coffee to provide a natural coffee taste and a small amount of caffeine 80mg protein mocha benefits protein mocha provides over 15g of protein per serving which will contribute to the growth and maintenance of lean mass each serving provides less t