Is Thorne third-party tested?

Last updated: April 21, 2026

Not verified. Thorne has no NSF, USP, or Informed Sport certification on record in our database (trust score 70/100). It may self-test, but no independent certification is publicly verifiable.

What the data shows

• Trust score: 70/100 (B+)
• NSF certified: No · USP verified: No · Informed Sport: No
• FDA recalls: 0 · FDA warning letters: 0

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Related questions

• Is Thorne NSF certified?