King whey 10lbs is a whey protein powder that helps aid in muscle build and recovery. protein is important for muscle growth and recovery so it is good to have enough of it , the besy part about this product is that it has a mix of 20 grams whey concentrate and 5grams whey isolate , having amix of these can keep your fuller and absorbed faster to feed those muscles Direction use : mix 1scooop with 8 oz of water . milk can be used instead of water for more milkshake consistency or for more protein intake