Grade: C

MEDIUM RISK

Dioxyme

Item: Dioxyme
Rating: 50
Author: SupplementChecker

Dioxyme has a SupplementChecker trust score of 50/100, a grade of C, indicating a MEDIUM risk level. Dioxyme does not appear to conduct third-party testing on its products. Consumers should be aware of this lack of independent verification when considering Dioxyme products.

Dioxyme Trust Summary

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

Dioxyme 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 Dioxyme Third-Party Tested?

No — Dioxyme 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 Dioxyme a Good Brand?

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

About Dioxyme

Dioxyme is a US-based supplement brand operating independently. The founding date of Dioxyme is unknown. They offer a range of supplements, focusing on health and wellness products.

Product Specialization

Dioxyme specializes in the fish oil category. They offer various fish oil supplements, potentially including omega-3 fatty acid formulations.

Testing & Certifications Explained

Dioxyme does not appear to have any third-party certifications to verify the quality, purity, or potency of its supplements. This means that no independent organization has tested Dioxyme's products to ensure they contain the ingredients listed on the label and are free from contaminants. Consumers should be aware that the absence of these certifications increases the risk of purchasing a product that does not meet label claims or contains harmful substances. Many consumers specifically seek third-party tested supplements to ensure product quality.

How Dioxyme Compares

Compared to other brands in the fish oil category, Dioxyme's trust score of 50/100 is lower than brands like Nordic Naturals (trust score 85/100) which provides third-party certifications. Another competitor, NOW Foods (trust score 78/100), also publishes lab results for many of its products. The absence of third-party testing for Dioxyme may make it less competitive for consumers prioritizing independent verification.

Buying Guidance

Given Dioxyme's lack of third-party testing and a trust score of 50/100, consumers should exercise caution when purchasing their products. If you choose to buy Dioxyme supplements, purchase from reputable retailers and carefully examine the product label. Consider whether third-party tested supplements from other brands might be a better option.

Frequently Asked Questions

Has Dioxyme had any recalls?

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

Are Dioxyme supplements third-party tested?

No — Dioxyme 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 Dioxyme safe?

Dioxyme 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 Dioxyme a good brand?

Dioxyme 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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