R1 Protein WPI 1lb by Rule 1Rule 1 R1 Protein is a high-quality whey protein isolate. This is a super clean, high quality, fast-digesting protein powder designed to increase protein intake and boost recovery. When it comes to getting bigger, faster, stronger or elevating recovery protein intake is one of the most important determining factors. If you don't have sufficient protein intake in your diet you'll find it takes significantly longer to recover and DOMS last much longer as well. Key Features25g of protein in each serve.1g of carbohydrates and zero fat in each serve. Easy to digest protein. Amazing flavours. Our ThoughtsThe owners of Rule 1 are the same people who started Optimum Nutrition so you know the quality and flavours are going to be amazing. R1 WPI has been one of our most popular proteins for years, and its bound to impress all who try it!