MSS
MSS has a SupplementChecker.co trust score of 85/100, which is a grade of A and indicates a LOW risk level. MSS claims to offer third-party tested supplements and has Informed Sport certification, with every batch being tested. This suggests that MSS is a good brand with a strong commitment to quality control.
MSS Trust Summary
- Trust Score
- 85/100 (Very Good)
- Grade
- A
- Risk Level
- LOW
- Third-Party Tested
- Yes (Informed Sport)
- FDA Recalls
- 0
- Adverse Events
- 0
MSS has a trust score of 85/100 (Very Good). The brand is third-party tested by Informed Sport, has no FDA recalls on record and no adverse event reports.
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Red Flags
- ⚠No GMP certification visible
Verified Strengths
- ✓Informed Sport certified — every batch tested
- ✓Claims third-party testing
- ✓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 MSS Third-Party Tested?
Yes — MSS is Informed Sport certified. This means an independent laboratory has verified that the products' contents, purity, and potency match their label claims.
Is MSS a Good Brand?
MSS scores 85/100 (A) — this is an above-average score indicating a trustworthy brand. MSS has a clean FDA record with no warnings or recalls. The brand holds third-party certifications (Informed Sport certified), which is a strong quality indicator.
About MSS
MSS is a sports nutrition brand operating independently in the US. The founding date of MSS is unknown. MSS focuses on providing supplements for athletes and fitness enthusiasts.
Product Specialization
MSS specializes in sports nutrition supplements. While specific product types are not detailed, the brand likely offers a range of products such as protein powders, pre-workouts, and performance enhancers.
Testing & Certifications Explained
MSS has Informed Sport certification. This means that every batch of their products is tested for banned substances by a third-party laboratory. This certification is important for athletes and consumers who want to ensure that the supplements they are taking do not contain any prohibited ingredients.
How MSS Compares
Many sports nutrition brands exist, some with higher or lower trust scores. For example, compare MSS to a brand like Klean Athlete (92/100) which also has NSF Certified for Sport certification, or Optimum Nutrition (78/100) which has a slightly lower trust score and publishes some lab results. These brands also offer third-party tested supplements.
Buying Guidance
Given MSS's high trust score and Informed Sport certification, consumers can generally feel confident purchasing their products. Look for the Informed Sport logo on the product packaging to verify certification. While MSS does not publish lab results, the Informed Sport certification provides a degree of assurance.
Frequently Asked Questions
Has MSS had any recalls?
Are MSS supplements third-party tested?
Is MSS safe?
Is MSS 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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- Trust Score
- 85/100
- Grade
- A
- Risk Level
- LOW
- Third-Party Tested
- Yes
- FDA Recalls
- 0
- Adverse Reports
- 0