Grade: C

MEDIUM RISK

Zoller Laboratories

Item: Zoller Laboratories
Rating: 50
Author: SupplementChecker

Zoller Laboratories has a SupplementChecker.co trust score of 50/100, a grade of C, indicating a MEDIUM risk level for consumers. Zoller Laboratories does not provide evidence of third-party testing for its products. Consumers should be aware of this lack of independent verification when considering Zoller Laboratories supplements.

Zoller Laboratories Trust Summary

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

Zoller Laboratories 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 Zoller Laboratories Third-Party Tested?

No — Zoller Laboratories 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 Zoller Laboratories a Good Brand?

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

About Zoller Laboratories

Zoller Laboratories is an independent supplement company based in the US. The founding date is unknown. They develop and market various supplements within the health and wellness industry.

Product Specialization

Zoller Laboratories specializes in specialty supplements. While specific product lines are not detailed, they likely offer targeted formulations for niche health needs.

Testing & Certifications Explained

Zoller Laboratories does not appear to have any third-party certifications. This means that there is no readily available independent verification of their products' quality, purity, or potency. Consumers should be aware that the absence of certifications like NSF, USP, or Informed Sport indicates that no external organization has validated the brand's claims or manufacturing processes.

How Zoller Laboratories Compares

Compared to competitors like Thorne Research (trust score 95/100) and Klean Athlete (trust score 88/100), which boast extensive third-party testing and certifications, Zoller Laboratories lags behind in demonstrating product quality assurance. Even compared to a brand like NOW Foods (trust score 72/100) which has some certifications and publishes lab results, Zoller Laboratories' trust score is lower due to the lack of visible testing and transparency.

Buying Guidance

Given Zoller Laboratories' trust score and lack of third-party testing, consumers should exercise caution. Purchase from reputable retailers and carefully examine product labels. Consider seeking brands with verifiable third-party certifications for greater assurance of product quality.

Frequently Asked Questions

Has Zoller Laboratories had any recalls?

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

Are Zoller Laboratories supplements third-party tested?

No — Zoller Laboratories 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 Zoller Laboratories safe?

Zoller Laboratories 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 Zoller Laboratories a good brand?

Zoller Laboratories 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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