Grade: C

MEDIUM RISK

Marked

Item: Marked
Rating: 50
Author: SupplementChecker

Marked has a SupplementChecker.co trust score of 50/100, which translates to a grade of C and a MEDIUM risk level. Marked does not appear to have any third-party testing certifications. This is a significant factor for consumers looking for independently verified supplements.

Marked Trust Summary

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

Marked 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 Marked Third-Party Tested?

No — Marked 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 Marked a Good Brand?

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

About Marked

Marked is a US-based supplement brand operating as an independent company. The founding date of Marked is unknown. They offer a range of supplements in various categories.

Product Specialization

Marked specializes in products within the fish oil and herbal supplement categories. Specific products may include omega-3 fatty acid supplements and various herbal extracts.

Testing & Certifications Explained

Marked does not have any visible third-party testing certifications. This means that there is no independent organization verifying the quality, purity, or potency of their products. Consumers should be aware that products without third-party certification have a higher risk of containing contaminants or not matching label claims. Consumers often search "is Marked third-party tested" to determine product quality.

How Marked Compares

Compared to competitors like Nordic Naturals (trust score 85, third-party tested) and Thorne Research (trust score 92, third-party tested and GMP certified), Marked lags behind in terms of trust and transparency. Many leading brands invest heavily in certifications to demonstrate product quality. These certifications are important for consumers who want to ensure they are buying high-quality supplements.

Buying Guidance

Given Marked's trust score and lack of third-party certifications, consumers should exercise caution. If considering Marked products, look for any available lab results on the product packaging or company website, and compare Marked reviews to other brands. Purchasing from retailers with strong return policies is also advisable.

Frequently Asked Questions

Has Marked had any recalls?

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

Are Marked supplements third-party tested?

No — Marked 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 Marked safe?

Marked 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 Marked a good brand?

Marked 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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