Rule One Proteins

Rule One Proteins receives a brand trust score of 0/100 in GoodSupp's independent analysis. The company was founded in 2014 and is headquartered in Aurora, IL, United States. They hold 2 verified certifications including Informed Sport, Nsf Gmp. These certifications are independently verified by GoodSupp and indicate the brand meets recognized quality, purity, and manufacturing standards. Note: Rule One Proteins has 1 historical regulatory incident on record. These are factored into the overall trust score and are detailed in the violation history section above.

Yes. Rule One Proteins holds 2 verified third-party certifications: Informed Sport, Nsf Gmp. Third-party testing means an independent laboratory — not the supplement company itself — has verified the product's contents, purity, and/or manufacturing practices. This is one of the strongest indicators of supplement quality because it removes the conflict of interest inherent in self-testing. Not all certifications are equal: NSF International and USP are considered the gold standard, while GMP certification indicates proper manufacturing practices.

Based on GoodSupp's quality analysis, the highest-rated Rule One Proteins supplements are: Creatine, Unflavored, 5.5 oz (156 g) (score: 100/100); BCAA, Unflavored, 6.14 oz (174 g) (score: 97/100); BCAA, Orange, 8.99 oz (255 g) (score: 96/100). These scores are calculated from ingredient quality, dosage adequacy, bioavailability, label transparency, and inactive ingredient safety. Scores can vary significantly across a brand's product line — a high brand trust score doesn't guarantee every individual product is top-quality.

Rule One Proteins is headquartered in Aurora, IL, United States. The company was founded in 2014. They currently offer 62 products in their supplement lineup. Their official website is ruleoneproteins.com. Manufacturing location may differ from corporate headquarters — look for GMP certification to verify manufacturing quality standards.