Grade: B+

LOW RISK

Stillwater Longevity Corporation

Item: Stillwater Longevity Corporation
Rating: 75
Author: SupplementChecker

Stillwater Longevity Corporation has a SupplementChecker.co trust score of 75/100, which is a grade of B+ and indicates a LOW risk level. Stillwater Longevity Corporation claims to have third-party tested supplements, but does not publish lab results. While the brand has a clean FDA record, the absence of GMP certification is a red flag for manufacturing quality.

Stillwater Longevity Corporation Trust Summary

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

Stillwater Longevity Corporation 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 Stillwater Longevity Corporation Third-Party Tested?

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

Is Stillwater Longevity Corporation a Good Brand?

Stillwater Longevity Corporation scores 75/100 (B+) — this is an average score. There may be room for improvement in testing transparency or certifications. Stillwater Longevity Corporation 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 Stillwater Longevity Corporation

Stillwater Longevity Corporation is a US-based supplement company operating independently. The founding date is unknown. They offer a range of products in the supplement market.

Product Specialization

Stillwater Longevity Corporation focuses on herbal and vitamin supplements. Specific product types include a variety of herbal extracts and single-ingredient vitamin formulations.

Testing & Certifications Explained

Stillwater Longevity Corporation claims third-party testing, but does not specify which third-party does the testing. The absence of recognized certifications like NSF or USP means there is no independent verification of label claims or product purity. Consumers should independently research Stillwater Longevity Corporation reviews and carefully evaluate the claimed benefits of their products.

How Stillwater Longevity Corporation Compares

Compared to competitors like Nature Made (trust score 88/100, USP certified) and NOW Foods (trust score 85/100, GMP certified), Stillwater Longevity Corporation's trust score is lower. Unlike these brands, Stillwater Longevity Corporation lacks visible GMP certification. However, its score is higher than some brands that do not claim any third-party testing.

Buying Guidance

If considering Stillwater Longevity Corporation products, purchase from reputable retailers. Verify the ingredients list and be aware of the lack of GMP certification. Given the absence of published lab results, consumers should approach claims with caution.

Frequently Asked Questions

Has Stillwater Longevity Corporation had any recalls?

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

Are Stillwater Longevity Corporation supplements third-party tested?

Yes — Stillwater Longevity Corporation 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 Stillwater Longevity Corporation safe?

Stillwater Longevity Corporation 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