The team at Rule 1 Proteins isn’t made up of supplement pros with years of experience under their weight belt. They’re also people who know the difference between what works, what’s an over-hyped formula. As serious athletes, bodybuilders, crossfitters, and powerlifters, they’ve tried all the sports supplements as they’ve lifted a few million pounds and downed a few thousand scoops of protein. If you’re serious about getting the best out of lifting, you know that protein is key. Take a look at the Rule 1 formulas, and you’ll see that it delivers more of it, with an industry-leading Protein Purity Percentage (PPP) of up to 87%. With its state-of-the-art production facility in Aurora, Illinois, Rule 1 is one of the few great sports nutrition companies that manufacture in every product category. From the very beginning, Rule 1 has always taken a hands-on approach to maintaining the very highest standards of quality. When it comes to sourcing the multitude of raw materials that go into Rule 1 Proteins products, the company focuses on purity, potency, and a research-backed reputation over price. Only ingredients that pass Rule 1 Proteins’ stringent standards for safety, quality, and efficacy are considered. They also choose strong, well-respected branded ingredients like CarnoSyn, Nitrosigine, Infinergy, HydroMax, and TeaCrine to create formulas that deliver the results that you expect. Our flagship protein is made with super-pure 100% whey isolate, fast-acting whey hydrolysate, and virtually nothing else. Check out the Black Diamond Supplements selection of Rule 1 Proteins products below. We always have the best prices available, backed up with our outstanding customer service.