Grade: C

MEDIUM RISK

MaritzMayer Laboratories

Item: MaritzMayer Laboratories
Rating: 50
Author: SupplementChecker

MaritzMayer Laboratories has a SupplementChecker.co trust score of 50/100, a Grade of C, and a MEDIUM risk level. MaritzMayer Laboratories does not claim to have third-party tested supplements. Consumers should be aware of the lack of independent verification before purchasing.

MaritzMayer Laboratories Trust Summary

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

MaritzMayer 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 MaritzMayer Laboratories Third-Party Tested?

No — MaritzMayer 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 MaritzMayer Laboratories a Good Brand?

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

About MaritzMayer Laboratories

MaritzMayer Laboratories is an independent supplement company with an unknown founding date. Headquartered in the US, they offer a range of supplements. Their market position is not clearly defined, but they operate as an independent entity without a parent company.

Product Specialization

MaritzMayer Laboratories offers products across several supplement categories, including vitamins, minerals, herbal supplements, protein, and fish oil. They likely offer a variety of formulations within these categories, catering to general wellness and specific health needs.

Testing & Certifications Explained

MaritzMayer Laboratories does not have any certifications on record. This means there is no independent organization verifying the quality, purity, or potency of their products. For consumers, this lack of certification increases the risk of purchasing a product that does not meet label claims or contains contaminants. Many consumers prefer brands that invest in third-party certifications to ensure product safety and efficacy.

How MaritzMayer Laboratories Compares

Compared to competitors like NOW Foods (trust score 75/100) and Thorne Research (trust score 90/100), MaritzMayer Laboratories lags in trust and transparency. Both NOW Foods and Thorne Research have extensive third-party certifications and are transparent about their sourcing and manufacturing processes. Nature Made (trust score 65/100) also surpasses MaritzMayer Laboratories, demonstrating a greater commitment to quality control.

Buying Guidance

Given the MaritzMayer 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 and safety. It is important to read MaritzMayer Laboratories reviews from multiple sources.

Frequently Asked Questions

Has MaritzMayer Laboratories had any recalls?

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

Are MaritzMayer Laboratories supplements third-party tested?

No — MaritzMayer 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 MaritzMayer Laboratories safe?

MaritzMayer 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 MaritzMayer Laboratories a good brand?

MaritzMayer 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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