Grade: C

MEDIUM RISK

Pure One

Item: Pure One
Rating: 50
Author: SupplementChecker

Pure One has a SupplementChecker.co trust score of 50/100, which translates to a grade of C and a MEDIUM risk level. Pure One does not provide evidence of third-party testing. Consumers should be aware of this when evaluating if Pure One is a good brand for their needs.

Pure One Trust Summary

Trust Score: 50/100 (Fair)
Grade: C
Risk Level: MEDIUM
Third-Party Tested: No
FDA Recalls: 0
Adverse Events: 0

Pure One has a trust score of 50/100 (Fair). The brand is not third-party tested by NSF, USP, or Informed Sport, has no FDA recalls on record and no adverse event reports.

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Red Flags

⚠No third-party testing certifications found
⚠No GMP certification visible

Verified Strengths

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

Certifications

No certifications on record. This brand has not demonstrated GMP compliance or third-party testing verification.

FDA Record

FDA Warning Letters

Recalls

Adverse Reports

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

Is Pure One Third-Party Tested?

No — Pure One is not currently third-party tested by independent certifiers like NSF, USP, or Informed Sport. No GMP certification was found on record either. We recommend looking for brands with verified third-party testing for the highest confidence in product quality. See our guide to third-party tested supplements.

Is Pure One a Good Brand?

Pure One scores 50/100 (C) — this is a below-average score. We recommend considering brands with third-party certifications like NSF or USP. Pure One has a clean FDA record with no warnings or recalls. The brand does not currently hold third-party testing certifications.

About Pure One

Pure One is a US-based supplement brand operating independently. The founding date of Pure One is unknown. They offer a range of supplements to consumers.

Product Specialization

Pure One specializes in fish oil supplements. They offer various formulations and concentrations of fish oil to cater to different consumer needs.

Testing & Certifications Explained

Pure One does not have any visible third-party testing certifications. This means there is no independent verification of their products' contents, purity, or potency. Consumers must rely solely on the brand's claims, which may not be sufficient for those seeking independently verified supplements. The absence of certifications raises questions about quality control and transparency.

How Pure One Compares

Many fish oil brands pursue third-party testing to demonstrate product quality. For example, Nordic Naturals (trust score 85/100) and NOW Foods (trust score 78/100) both provide extensive third-party testing and certifications. These brands offer a higher level of assurance compared to Pure One, which lacks these verifications.

Buying Guidance

Given Pure One's trust score and lack of third-party testing, consumers should exercise caution. If considering Pure One products, purchase from reputable retailers and carefully examine product labels. Look for any available information about testing or quality control, even if not formally certified.

Frequently Asked Questions

Has Pure One had any recalls?

No — as of 2026, Pure One has zero FDA product recalls on record. They maintain a clean FDA record with no warning letters or significant adverse event reports. Pure One received a trust score of 50/100 from SupplementChecker.

Are Pure One supplements third-party tested?

No — Pure One supplements are not currently third-party tested by independent certifiers like NSF, USP, or Informed Sport. No independent testing or GMP certification was found on record.

Is Pure One safe?

Pure One received a trust score of 50/100 (grade: C, risk level: MEDIUM). This score is calculated from FDA records, third-party certifications, adverse event reports, and transparency practices. No FDA warnings or recalls are on record.

Is Pure One a good brand?

Pure One scores 50/100 (grade: C) — this is below average. We recommend looking for brands with third-party certifications like NSF or USP. They do not currently hold third-party testing certifications like NSF, USP, or Informed Sport. No FDA warnings or recalls found.

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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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