Grade: B+

LOW RISK

Sine Qua Non

Item: Sine Qua Non
Rating: 75
Author: SupplementChecker

Sine Qua Non has a SupplementChecker.co trust score of 75/100, earning a grade of B+ and a LOW risk level. The brand claims its products are third-party tested, but does not specify which third-party certifications it uses. While Sine Qua Non has a clean FDA record, it lacks visible GMP certification.

Sine Qua Non Trust Summary

Trust Score: 75/100 (Good)
Grade: B+
Risk Level: LOW
Third-Party Tested: Yes (self-reported)
FDA Recalls: 0
Adverse Events: 0

Sine Qua Non has a trust score of 75/100 (Good). The brand is claims third-party testing (self-reported), has no FDA recalls on record and no adverse event reports.

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Red Flags

⚠No GMP certification visible

Verified Strengths

✓Claims third-party testing
✓Clean FDA record — no warnings, recalls, or significant adverse events

Certifications

Third-Party Tested

Third-party testing means an independent laboratory has verified this product's contents, purity, and potency match what's on the label.

FDA Record

FDA Warning Letters

Recalls

Adverse Reports

Clean record — no FDA warnings, recalls, or significant adverse events.

Is Sine Qua Non Third-Party Tested?

Yes — Sine Qua Non is Third-party tested. This means an independent laboratory has verified that the products' contents, purity, and potency match their label claims.

Is Sine Qua Non a Good Brand?

Sine Qua Non scores 75/100 (B+) — this is an average score. There may be room for improvement in testing transparency or certifications. Sine Qua Non has a clean FDA record with no warnings or recalls. The brand holds third-party certifications (Third-party tested), which is a strong quality indicator.

About Sine Qua Non

Sine Qua Non is a US-based supplement brand operating independently. The founding date of Sine Qua Non is unknown. They offer a range of supplements in the protein and vitamin categories.

Product Specialization

Sine Qua Non focuses on protein and vitamin supplements. While specific product lines are not detailed, they likely offer common protein powders and various single and multi-vitamin formulations.

Testing & Certifications Explained

Sine Qua Non claims its products are third-party tested, but does not provide details on which specific third-party certifications they utilize. This means that while the brand asserts independent testing, consumers cannot easily verify the standards and rigor of these tests. Reputable third-party certifications provide assurance that products have been independently evaluated for purity, potency, and safety. Without a specific certification, it is difficult to determine the extent to which Sine Qua Non is third-party tested.

How Sine Qua Non Compares

Compared to other brands in the supplement industry, Sine Qua Non's trust score of 75/100 places it in the mid-range. For example, a brand like Klean Athlete, which is NSF Certified for Sport, typically scores higher due to its rigorous certification. Garden of Life, known for its organic certifications, also often achieves a higher score. These brands offer greater transparency and assurance through recognized certifications, which Sine Qua Non currently lacks.

Buying Guidance

Consumers interested in Sine Qua Non products should carefully evaluate the available information and consider the lack of verifiable third-party certifications. Purchase directly from the manufacturer or authorized retailers to ensure product authenticity. Contact Sine Qua Non directly to request more information about their testing protocols.

Frequently Asked Questions

Has Sine Qua Non had any recalls?

No — as of 2026, Sine Qua Non has zero FDA product recalls on record. They maintain a clean FDA record with no warning letters or significant adverse event reports. Sine Qua Non received a trust score of 75/100 from SupplementChecker.

Are Sine Qua Non supplements third-party tested?

Yes — Sine Qua Non supplements are third-party tested. They hold the following certifications: third-party tested (self-reported). Third-party testing means an independent lab has verified the product's contents, purity, and potency match the label claims.

Is Sine Qua Non safe?

Sine Qua Non received a trust score of 75/100 (grade: B+, risk level: LOW). This score is calculated from FDA records, third-party certifications, adverse event reports, and transparency practices. No FDA warnings or recalls are on record.

Grade A+ • Higher score

Want more comparisons? Browse our supplement categories or check our buying guides.

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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Quick Facts

Trust Score: 75/100
Grade: B+
Risk Level: LOW
Third-Party Tested: Yes
FDA Recalls: 0
Adverse Reports: 0

⚠ No GMP certification visible