Rule 1 R1 Protein Whey Isolate

Rule 1 Proteins' Flagship Protein Powder

R1 Protein Whey Isolate is made with super-pure whey isolate, fast-acting partially hydrolyzed whey isolate, and virtually nothing else. This elite formula completely omits the use of whey protein concentrates, creamers, amino spiking, banned substances, and other things that dilute what you really came for – protein.

As Pure As It Gets

Built for pure performance, each scoop of R1 Protein Whey Isolate delivers 25 grams of nutritionally complete protein with single-digit carbs and 1 gram of fat or fewer.

Anytime Formula

Before or after workouts, first thing in the morning, or between meals, R1 Protein Whey Isolate is a great go-to whenever you want to add quick, high-quality protein to your daily routine.

Clean Manufacturing & Quality

R1 Protein Whey Isolate is crafted in Rule 1's state-of-the-art, GMP-certified facility in the USA using premium globally sourced ingredients. It's rigorously tested for banned substances and certified by Informed Choice.

About The Brand

Rule 1 Proteins is more than just a supplement brand. With over a decade of experience in sports nutrition, Rule 1 manufactures all products in its state-of-the-art facility using premium globally sourced ingredients to deliver consistent, top-quality results in every scoop. No shortcuts, no compromises—just products designed to help athletes and fitness enthusiasts perform at their best.