400 degrees. Whey protein powder is easy to digest, with high cost, high efficiency, high protein efficiency ratio and high utilization rate. The ignition point of this substance is 400 degrees. Whey protein powder has the best proportion of amino acids and high content of branched-chain amino acids, which plays an important role in promoting the synthesis of protein and reducing the decomposition of protein, and is helpful for fitness enthusiasts to shape a beautiful figure.