Rule 1 Proteins (R1)
**** Rule 1 Proteins (R1) is an independent supplement manufacturer founded in 2014, specializing in protein powders, pre-workouts, and BCAA products. The brand holds Informed Sport certification with every batch tested and maintains GMP certification, while operating with a clean FDA record of zero warning letters, recalls, or adverse event reports. R1 avoids proprietary blends in their formulations but does not publicly publish third-party lab results. **
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
FDA Record
Clean record — no FDA warnings, recalls, or significant adverse events.
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 FDA 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, NSF.org, USP.org, and publicly available brand information. Last updated: 3/20/2026.
Quick Facts
- Trust Score
- 100/100
- Grade
- A+
- Risk Level
- LOW
- Third-Party Tested
- Yes
- FDA Recalls
- 0
- Adverse Reports
- 0
- Founded
- 2014