Grade: C

MEDIUM RISK

Thorne Performance

Item: Thorne Performance
Rating: 50
Author: SupplementChecker

Thorne Performance has a Trust Score of 50/100, which is a Grade C, indicating a MEDIUM risk level. Thorne Performance does not appear to provide third-party testing certifications for its products. Consumers should carefully evaluate the available information before purchasing.

Thorne Performance Trust Summary

Trust Score: 50/100 (Fair)
Grade: C
Risk Level: MEDIUM
Third-Party Tested: No
FDA Recalls: 0
Adverse Events: 0

Thorne Performance has a trust score of 50/100 (Fair). The brand is not third-party tested by NSF, USP, or Informed Sport, has no FDA recalls on record and no adverse event reports.

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Red Flags

⚠No third-party testing certifications found
⚠No GMP certification visible

Verified Strengths

✓Clean FDA record — no warnings, recalls, or significant adverse events

Certifications

No certifications on record. This brand has not demonstrated GMP compliance or third-party testing verification.

FDA Record

FDA Warning Letters

Recalls

Adverse Reports

Clean record — no FDA warnings, recalls, or significant adverse events.

Is Thorne Performance Third-Party Tested?

No — Thorne Performance is not currently third-party tested by independent certifiers like NSF, USP, or Informed Sport. No GMP certification was found on record either. We recommend looking for brands with verified third-party testing for the highest confidence in product quality. See our guide to third-party tested supplements.

Is Thorne Performance a Good Brand?

Thorne Performance scores 50/100 (C) — this is a below-average score. We recommend considering brands with third-party certifications like NSF or USP. Thorne Performance has a clean FDA record with no warnings or recalls. The brand does not currently hold third-party testing certifications.

About Thorne Performance

Thorne Performance is an independent supplement brand with its headquarters in the US. The founding date of Thorne Performance is unknown. They offer products in the supplement market.

Product Specialization

Thorne Performance focuses on protein supplements. They offer a range of products designed to support athletic performance and muscle recovery.

Testing & Certifications Explained

Thorne Performance does not have any third-party certifications on record. This means that there is no readily available independent verification of their product quality, purity, or potency. Consumers should be aware that the absence of third-party testing increases the risk of contamination or inaccurate labeling. When considering supplements, third-party tested supplements offer an additional layer of assurance.

How Thorne Performance Compares

Compared to competitors like Klean Athlete (Trust Score 75/100, NSF Certified for Sport) and Garden of Life (Trust Score 65/100, multiple certifications), Thorne Performance's Trust Score is lower, and they lack visible certifications. This difference highlights the importance of considering brands that prioritize independent testing and transparency. Other brands like NOW Foods (Trust Score 60/100, NPA GMP certified) also provide more visible quality control measures.

Buying Guidance

Given Thorne Performance's Trust Score and lack of third-party testing, consumers should exercise caution. Read Thorne Performance reviews and compare them against other brands. Purchase from reputable retailers and carefully examine product labels for complete ingredient information.

Frequently Asked Questions

Has Thorne Performance had any recalls?

No — as of 2026, Thorne Performance has zero FDA product recalls on record. They maintain a clean FDA record with no warning letters or significant adverse event reports. Thorne Performance received a trust score of 50/100 from SupplementChecker.

Are Thorne Performance supplements third-party tested?

No — Thorne Performance supplements are not currently third-party tested by independent certifiers like NSF, USP, or Informed Sport. No independent testing or GMP certification was found on record.

Is Thorne Performance safe?

Thorne Performance received a trust score of 50/100 (grade: C, risk level: MEDIUM). This score is calculated from FDA records, third-party certifications, adverse event reports, and transparency practices. No FDA warnings or recalls are on record.

Is Thorne Performance a good brand?

Thorne Performance scores 50/100 (grade: C) — this is below average. We recommend looking for brands with third-party certifications like NSF or USP. They do not currently hold third-party testing certifications like NSF, USP, or Informed Sport. No FDA warnings or recalls found.

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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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