Grade: C

MEDIUM RISK

Dr. David Williams

Item: Dr. David Williams
Rating: 50
Author: SupplementChecker

Dr. David Williams has a SupplementChecker.co trust score of 50/100, a grade of C, and a risk level of MEDIUM. Notably, there are no third-party testing certifications on record for Dr. David Williams. This means it's difficult to independently verify the quality and purity of their supplements.

Dr. David Williams Trust Summary

Trust Score: 50/100 (Fair)
Grade: C
Risk Level: MEDIUM
Third-Party Tested: No
FDA Recalls: 0
Adverse Events: 1

Dr. David Williams 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 1 adverse event report.

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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

Is Dr. David Williams Third-Party Tested?

No — Dr. David Williams 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. David Williams a Good Brand?

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

About Dr. David Williams

Dr. David Williams is an independent supplement brand based in the US. The founding date is unknown. They offer a range of supplements in various health and wellness categories.

Product Specialization

Dr. David Williams specializes in fish oil and herbal supplements. These products are often marketed for their potential benefits in areas like heart health and general wellness.

Testing & Certifications Explained

Currently, there are no third-party testing certifications visible for Dr. David Williams. This means that independent organizations are not verifying the contents and purity of their supplements. Consumers seeking "third-party tested supplements" should be aware that Dr. David Williams products lack this assurance. The question, "is Dr. David Williams third-party tested?" is answered negatively.

How Dr. David Williams Compares

Many competing brands in the fish oil and herbal supplement categories prioritize third-party testing. For example, Nordic Naturals (trust score 85/100) and NOW Foods (trust score 78/100) both have certifications from organizations like NSF International and USP, indicating a higher level of independent verification. These brands generally have higher trust scores than the Dr. David Williams trust score.

Buying Guidance

Given the lack of third-party testing, consumers should exercise caution when considering Dr. David Williams products. Purchase from reputable retailers and carefully examine product labels. Look for any available information on ingredient sourcing or internal testing procedures, although independent verification is preferable.

Frequently Asked Questions

Has Dr. David Williams had any recalls?

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

Are Dr. David Williams supplements third-party tested?

No — Dr. David Williams 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. David Williams safe?

Dr. David Williams 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. David Williams a good brand?

Dr. David Williams 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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