We are Athletes, Bodybuilders, Crossfitters & Powerlifters. Guys who've lifted a few million lbs & downed a few thousand scoops of protein. We're also supplement pros who've done this before. Guys who know the difference between the good stuff & the over-hyped wannabes.

The Rule One Proteins executive team combines over 100 years of development and formulation experience. We offer a unique combination of skills and experience, but most of all, we offer an unmatched passion for the sports nutrition industry.

You can rest assured knowing that any product produced by Rule One Proteins contains the finest raw materials and ingredients available Our creed “the best input = the best output” is always on our minds.

Brand new state-of-the-art GMP facility

Utilizing latest quality blending, measuring & packaging equipment available

We look for purity, not price when sourcing our raw materials

True to our creed

Our mission is to bring you the best formulated and manufactured protein powders and nutrition supplements in the world. To accomplish this mission and remain true to our creed, “the best input = the best output”.


All Rule One Proteins products are produced by Nutrivo, LLC. Nutrivo’s facility, located in Aurora, IL, is a brand new state-of-the-art GMP/NSF-certified facility. Utilizing the latest quality blending, measuring and packaging equipment available. When formulating our products, our number one consideration is quality. When sourcing our raw materials, we look at purity and potency, not price.

Only those ingredients that pass Rule One Proteins stringent standards for safety, quality and efficacy are used. From concept to formulating to sourcing raw materials to blending products, it’s all done one way. The Right way. The Rule One Proteins way.

Our Guarantee

You know our story. You know our commitment to quality. You now know our desire to be your “1st Rule in Muscle”. Talk is cheap in this industry. We back our products up with a NO BS Gaurantee. What does this mean for you? For any reason, within 30 days of purchase, we offer a money back gaurantee. No questions asked, NO BS!