Grade: C

MEDIUM RISK

MARZ+

Item: MARZ+
Rating: 50
Author: SupplementChecker

MARZ+ has a SupplementChecker.co trust score of 50/100, which equates to a grade of C and a MEDIUM risk level. MARZ+ does not claim to be third-party tested. Consumers should be aware of the lack of independent verification when considering MARZ+ products.

MARZ+ Trust Summary

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

MARZ+ 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.

Where to Buy MARZ+

Purchase from trusted retailers. We may earn a commission at no extra cost to you.

Buy on iHerb Buy on Amazon

Check another brand:

e.g. Nature Made, Thorne, NOW Foods...

Check

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 MARZ+ Third-Party Tested?

No — MARZ+ 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 MARZ+ a Good Brand?

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

About MARZ+

MARZ+ is an independent supplement brand operating in the US. The founding date of MARZ+ is unknown. They offer products in the specialty supplement category.

Product Specialization

MARZ+ specializes in specialty supplements. Specific product types are not detailed in the available data.

Testing & Certifications Explained

MARZ+ does not have any third-party testing certifications on record. This means that independent organizations are not verifying the quality, purity, or potency of MARZ+ products. Consumers should be aware that the claims made by MARZ+ have not been validated by an independent source. This is relevant to consumers asking "is MARZ+ third-party tested?"

How MARZ+ Compares

Compared to other brands in the specialty supplement category, MARZ+ lags behind in trust and transparency. For example, a brand like Klean Athlete (trust score 85) is NSF Certified for Sport, indicating a high level of independent testing. Similarly, Garden of Life (trust score 78) publishes lab results and has numerous certifications. These brands offer greater assurance of quality than MARZ+.

Buying Guidance

Given the MARZ+ trust score and lack of third-party testing, consumers should exercise caution. Purchase MARZ+ products directly from the manufacturer or authorized retailers to ensure authenticity. Carefully review product labels and consider contacting MARZ+ directly for more information about their quality control processes before making a purchase. Look for "MARZ+ reviews" online.

Frequently Asked Questions

Has MARZ+ had any recalls?

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

Are MARZ+ supplements third-party tested?

No — MARZ+ 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 MARZ+ safe?

MARZ+ 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 MARZ+ a good brand?

MARZ+ 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.

Get FDA Recall Alerts

We'll notify you when FDA recalls affect supplement brands you care about.

Compare Similar Brands

Brands in similar categories with comparable trust profiles. Compare certifications, scores, and safety records.

65/100

Lower rated

Brightside

Grade B • Higher score

65/100

Lower rated

Outwork Nutrition

Grade B • Higher score

65/100

Lower rated

Vital Vitamins

Grade B • Higher score

65/100

Lower rated

Thesis

Grade B • Higher score

65/100

Lower rated

Traditional Medicinals

Grade B • Higher score

Want more comparisons? Browse our supplement categories or check our buying guides.

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.

Promote Your Trust Score

Embed this badge on your site — it displays MARZ+'s verified trust score and links back to this profile page. Helps show buyers you're transparent about third-party testing.

Small · 220×110

<iframe src="https://supplementchecker.co/embed/marz/" width="220" height="110" frameborder="0" loading="lazy" title="MARZ+ trust score by SupplementChecker"></iframe>

Medium · 320×160

<iframe src="https://supplementchecker.co/embed/marz/" width="320" height="160" frameborder="0" loading="lazy" title="MARZ+ trust score by SupplementChecker"></iframe>

Large · 420×210

<iframe src="https://supplementchecker.co/embed/marz/" width="420" height="210" frameborder="0" loading="lazy" title="MARZ+ trust score by SupplementChecker"></iframe>

Paste the snippet anywhere on your site. The badge updates automatically when MARZ+'s trust score changes.

Own this brand? Contact us to update your information.

Want to find supplements you can trust?

Third-party testing is the single best indicator of supplement quality. We analyzed MARZ+ and 500+ other brands to find the ones that actually prove what's on the label.

See the best third-party tested supplements →