Nature Made
Part of Otsuka Pharmaceutical
Nature Made is a well-established supplement manufacturer founded in 1971, specializing in vitamins, minerals, fish oil, and multivitamins. The brand holds USP Verified and GMP certifications, demonstrating third-party testing for identity, strength, and purity. While the company has no FDA warning letters or recalls, it has accumulated 93 FDA adverse event reports over its operating history.
Red Flags
- ⚠High number of FDA adverse event reports (93)
Verified Strengths
- ✓USP Verified — identity, strength, and purity tested
- ✓Established brand — operating since 1971 (55 years)
Certifications
FDA Record
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.
Quick Facts
- Trust Score
- 75/100
- Grade
- B+
- Risk Level
- LOW
- Third-Party Tested
- Yes
- FDA Recalls
- 0
- Adverse Reports
- 93
- Founded
- 1971