Doug Cook RD
Doug Cook RD has a SupplementChecker.co trust score of 75/100, which is a Grade of B+ and indicates a LOW risk level. Doug Cook RD claims to offer third-party tested supplements, but does not specify which third-party does the testing. The brand has a clean FDA record, with no warning letters or recalls.
Doug Cook RD Trust Summary
- Trust Score
- 75/100 (Good)
- Grade
- B+
- Risk Level
- LOW
- Third-Party Tested
- Yes (self-reported)
- FDA Recalls
- 0
- Adverse Events
- 0
Doug Cook RD 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 testing means an independent laboratory has verified this product's contents, purity, and potency match what's on the label.
FDA Record
Clean record — no FDA warnings, recalls, or significant adverse events.
Is Doug Cook RD Third-Party Tested?
Yes — Doug Cook RD is Third-party tested. This means an independent laboratory has verified that the products' contents, purity, and potency match their label claims.
Is Doug Cook RD a Good Brand?
Doug Cook RD scores 75/100 (B+) — this is an average score. There may be room for improvement in testing transparency or certifications. Doug Cook RD 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 Doug Cook RD
Doug Cook RD is an independent brand in the vitamin and supplement space. The founding date is unknown. Doug Cook RD operates independently, without a parent company, and is headquartered in the US.
Product Specialization
Doug Cook RD focuses on vitamins. While specific product lines are not detailed, the brand likely offers a range of essential vitamins and potentially some specialized formulations.
Testing & Certifications Explained
Doug Cook RD claims their products are third-party tested, but does not specify which third-party does the testing. Without a recognized certification, it's difficult for consumers to verify the extent and rigor of the testing. This means consumers must rely on the brand's claims without independent verification. For consumers prioritizing independently verified quality, this lack of clarity is a drawback.
How Doug Cook RD Compares
Many brands in the vitamin space, such as Thorne Research (trust score 92/100) and Klean Athlete (trust score 88/100), undergo rigorous third-party testing and are NSF Certified for Sport. Other brands like Nature Made (trust score 70/100) have USP verification. Doug Cook RD's trust score of 75/100 places it lower than brands with established certifications and higher than some brands with less transparent testing practices.
Buying Guidance
Given Doug Cook RD's trust score and claimed third-party testing, consumers should carefully evaluate the available information before purchasing. Look for any available Doug Cook RD reviews to gauge customer experiences. If possible, contact Doug Cook RD directly to inquire about the specifics of their third-party testing program.
Frequently Asked Questions
Has Doug Cook RD had any recalls?
Are Doug Cook RD supplements third-party tested?
Is Doug Cook RD safe?
Is Doug Cook RD a good brand?
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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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- Trust Score
- 75/100
- Grade
- B+
- Risk Level
- LOW
- Third-Party Tested
- Yes
- FDA Recalls
- 0
- Adverse Reports
- 0