Rule 1 Proteins (R1)
Rule 1 Proteins (R1) has a SupplementChecker.co trust score of 100/100, which is Grade A+ and indicates a LOW risk level. Rule 1 Proteins (R1) products are certified by NSF Certified for Sport and Informed Sport, indicating rigorous third-party testing for banned substances. This makes it more likely that Rule 1 Proteins (R1) is a good brand for consumers concerned about product safety and label accuracy.
Rule 1 Proteins (R1) Trust Summary
- Trust Score
- 100/100 (Excellent)
- Grade
- A+
- Risk Level
- LOW
- Third-Party Tested
- Yes (NSF, Informed Sport)
- FDA Recalls
- 0
- Adverse Events
- 0
- Years in Business
- 12 years
- GMP Certified
- Yes
Rule 1 Proteins (R1) has a trust score of 100/100 (Excellent). The brand is third-party tested by NSF and Informed Sport, has no FDA recalls on record and no adverse event reports and has been in business for 12 years.
Where to Buy Rule 1 Proteins (R1)
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Verified Strengths
- ✓NSF Certified for Sport — banned substance tested
- ✓Informed Sport certified — every batch tested
- ✓Established brand — operating since 2014 (12 years)
- ✓Clean FDA record — no warnings, recalls, or significant adverse events
Certifications
Third-party testing means an independent laboratory has verified this product's contents, purity, and potency match what's on the label.
FDA Record
Clean record — no FDA warnings, recalls, or significant adverse events.
Is Rule 1 Proteins (R1) Third-Party Tested?
Yes — Rule 1 Proteins (R1) is NSF-certified. This means an independent laboratory has verified that the products' contents, purity, and potency match their label claims. Rule 1 Proteins (R1) holds certifications from: NSF, Informed Sport. They also maintain GMP (Good Manufacturing Practice) certification.
Is Rule 1 Proteins (R1) a Good Brand?
Rule 1 Proteins (R1) scores 100/100 (A+) — this is an above-average score indicating a trustworthy brand. Rule 1 Proteins (R1) has a clean FDA record with no warnings or recalls. The brand holds third-party certifications (NSF-certified), which is a strong quality indicator.
About Rule 1 Proteins (R1)
Rule 1 Proteins (R1) is a supplement brand founded in 2014. The company is independent and headquartered in the US. Rule 1 Proteins (R1) focuses on providing high-quality sports nutrition products to athletes and fitness enthusiasts.
Product Specialization
Rule 1 Proteins (R1) specializes in protein supplements, pre-workout formulas, and branched-chain amino acids (BCAAs). They are known for their protein powders, including whey protein isolates and blends, as well as their stimulant-based and stimulant-free pre-workout options. Their BCAA products are also popular among athletes for muscle recovery.
Testing & Certifications Explained
Rule 1 Proteins (R1)'s NSF Certified for Sport and Informed Sport certifications are important indicators of product quality and safety. NSF Certified for Sport means that the products have been tested for over 270 substances banned by major sporting organizations. Informed Sport certification tests every batch of product for banned substances, providing an additional layer of assurance for athletes and consumers concerned about inadvertent doping. These certifications demonstrate a commitment to providing safe and reliable supplements.
How Rule 1 Proteins (R1) Compares
Compared to brands like Optimum Nutrition (trust score 90/100, NSF Certified for Sport) and Transparent Labs (trust score 95/100, third-party tested with published results), Rule 1 Proteins (R1) holds a strong position with its 100/100 trust score and multiple certifications. While Transparent Labs publishes its lab results, Rule 1 Proteins (R1)'s NSF and Informed Sport certifications offer a similar level of assurance regarding banned substances. Other brands like Myprotein (trust score 75/100) may offer more affordable options but generally lack the same level of third-party testing.
Buying Guidance
Given Rule 1 Proteins (R1)'s high trust score and third-party certifications, consumers can generally feel confident purchasing their products. Look for the NSF Certified for Sport or Informed Sport logo on the product label to ensure it has undergone banned substance testing. Purchase from reputable retailers to avoid counterfeit products.
Frequently Asked Questions
Has Rule 1 Proteins (R1) had any recalls?
Are Rule 1 Proteins (R1) supplements third-party tested?
Is Rule 1 Proteins (R1) safe?
Is Rule 1 Proteins (R1) a good brand?
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How We Calculated This Score
Every brand starts with a baseline score of 70/100.
Points added for: Third-party certifications (NSF +15, USP +15, Informed Sport +10), publishing lab results (+10), clean regulatory record (+10), 10+ years in business (+10), organic certification (+5).
Points deducted for: FDA warning letters (-25), product recalls (-20), high adverse events (-15), no third-party testing (-15), proprietary blends (-10), no GMP (-10).
Score is capped at 0-100. Grade and risk level are derived from the final score.
All data sourced from FDA.gov, Health Canada (LNHPD / recalls-rappels), NSF.org, USP.org, and publicly available brand information. Last updated: 4/9/2026.
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See the best third-party tested supplements →Quick Facts
- Trust Score
- 100/100
- Grade
- A+
- Risk Level
- LOW
- Third-Party Tested
- Yes
- FDA Recalls
- 0
- Adverse Reports
- 0
- Founded
- 2014