Doctor's Best

https://www.drbvitamins.com Est. 1990 (36 years)

**** Doctor's Best is an independent supplement manufacturer founded in 1990, specializing in vitamins, minerals, and specialty products including curcumin formulations. The company maintains GMP certification and has a clean FDA record with no warning letters or recalls, though it lacks third-party testing certifications. With 36 years in operation, Doctor's Best has established itself as a mid-tier brand with moderate transparency practices. **

Red Flags

⚠No third-party testing certifications found

Verified Strengths

✓Established brand — operating since 1990 (36 years)

Certifications

GMP Certified

FDA Record

Warning Letters

Recalls

Adverse Reports

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 FDA 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, NSF.org, USP.org, and publicly available brand information. Last updated: 3/20/2026.