30
Grade: F
HIGH RISK

Swanson

https://www.swansonvitamins.com Est. 1969 (57 years)

Swanson is a long-established brand in the supplement industry, operating since 1969 and offering a range of products including vitamins, minerals, herbs, and specialty items. The brand holds GMP certification, indicating adherence to good manufacturing practices, but lacks third-party testing certifications. Notably, Swanson has one FDA recall on record and 43 FDA adverse event reports, which may raise concerns for some consumers.

Red Flags

  • 1 product recall(s) on record
  • Elevated FDA adverse event reports (43)
  • No third-party testing certifications found

Verified Strengths

  • Established brand — operating since 1969 (57 years)

Certifications

GMP Certified

FDA Record

0
Warning Letters
1
Recalls
43
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.