Grade: C

MEDIUM RISK

Dr. Dunner

Item: Dr. Dunner
Rating: 50
Author: SupplementChecker

Dr. Dunner has a SupplementChecker.co trust score of 50/100, which translates to a grade of C and a MEDIUM risk level. Notably, Dr. Dunner does not appear to provide third-party testing certifications for its products. This lack of independent verification may be a concern for consumers prioritizing independently verified supplements.

Dr. Dunner Trust Summary

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

Dr. Dunner 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 Dr. Dunner Third-Party Tested?

No — Dr. Dunner 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 Dr. Dunner a Good Brand?

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

About Dr. Dunner

Dr. Dunner is a supplement brand operating independently in the US. The founding date of the company is unknown. They offer a range of products in the supplement market.

Product Specialization

Dr. Dunner specializes in herbal remedies and vitamins. While specific product lines are not detailed, the brand likely offers a variety of supplements within these categories, catering to consumers interested in natural health solutions.

Testing & Certifications Explained

Dr. Dunner does not appear to have any third-party testing certifications. This means that there is no independent organization verifying the quality, purity, or potency of their products. For consumers, this lack of certification makes it more difficult to assess the true contents and safety of Dr. Dunner supplements. The question of 'is Dr. Dunner third-party tested' is clearly answered: no.

How Dr. Dunner Compares

Compared to brands like Nature Made (trust score 75/100, USP verified) and Thorne Research (trust score 90/100, NSF Certified), Dr. Dunner's trust score is significantly lower. These competitors invest in third-party testing and certifications, providing consumers with greater assurance of product quality. Another competitor, NOW Foods (trust score 65/100, Informed-Sport certified on some products), also demonstrates a stronger commitment to independent verification than Dr. Dunner.

Buying Guidance

Given Dr. Dunner's trust score and lack of third-party testing, consumers should exercise caution when purchasing their products. If considering Dr. Dunner supplements, look for detailed 'Dr. Dunner reviews' from independent sources and carefully evaluate the ingredient list. Purchase from reputable retailers to minimize the risk of counterfeit products.

Frequently Asked Questions

Has Dr. Dunner had any recalls?

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

Are Dr. Dunner supplements third-party tested?

No — Dr. Dunner 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 Dr. Dunner safe?

Dr. Dunner 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 Dr. Dunner a good brand?

Dr. Dunner 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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