RSP Whey is scientifically formulated to support muscle growth and recovery. It consists of four premium protein sources arranged to optimize muscle protein synthesis (MPS), jumpstarting and sustaining lean muscle growth and recovery*. RSP Whey is the nutritional cornerstone for your active lifestyle, making it easy to achieve your muscle-building goals and meet your daily protein intake requirements.* The cold ultrafiltration manufacturing process maximizes purity, solubility, and bioavailability without denaturing or compromising the quality of the protein in RSP Whey. This process ensures it is easy to mix and digest while it feeds your muscles with premium quality protein. RSP Whey tastes amazing while still being low in carbs and fat. You can use it anytime - in everything from pre-workout and post-workout shakes or mixing it in meal replacements.