Grade: C

MEDIUM RISK

5% Core

Item: 5% Core
Rating: 50
Author: SupplementChecker

5% Core has a SupplementChecker.co trust score of 50/100, which is a Grade C, indicating a MEDIUM risk level. 5% Core does not appear to have any third-party testing certifications. Consumers should carefully evaluate the brand's safety and quality claims before purchasing.

5% Core Trust Summary

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

5% Core 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 5% Core Third-Party Tested?

No — 5% Core 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 5% Core a Good Brand?

5% Core scores 50/100 (C) — this is a below-average score. We recommend considering brands with third-party certifications like NSF or USP. 5% Core has a clean FDA record with no warnings or recalls. The brand does not currently hold third-party testing certifications.

About 5% Core

5% Core is an independent supplement brand with an unknown founding date. Headquartered in the US, they offer a range of supplements. The brand's market position is not clearly defined, but they compete in the broader supplement industry.

Product Specialization

5% Core specializes in fish oil and herbal supplements. Specific product types include omega-3 fatty acid supplements and various herbal remedies.

Testing & Certifications Explained

5% Core does not appear to have any third-party testing certifications. This means that no independent organization has verified the quality, purity, or potency of their products. Consumers should be aware that the absence of third-party testing increases the risk of contamination, inaccurate labeling, and ineffective ingredients. The question of 'is 5% Core third-party tested?' is answered with a 'no'.

How 5% Core Compares

Many supplement brands in the fish oil and herbal categories pursue third-party certifications to demonstrate product quality. For example, brands like Nordic Naturals (Trust Score: 85) and Thorne Research (Trust Score: 90) have higher trust scores and certifications from organizations like NSF International and USP. These certifications provide consumers with greater assurance of product safety and efficacy.

Buying Guidance

Given 5% Core's trust score and lack of third-party certifications, consumers should exercise caution. Purchase directly from the manufacturer or authorized retailers and carefully examine product labels for ingredient information and potential allergens. Consider looking for third-party tested supplements from brands with higher trust scores.

Frequently Asked Questions

Has 5% Core had any recalls?

No — as of 2026, 5% Core has zero FDA product recalls on record. They maintain a clean FDA record with no warning letters or significant adverse event reports. 5% Core received a trust score of 50/100 from SupplementChecker.

Are 5% Core supplements third-party tested?

No — 5% Core 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 5% Core safe?

5% Core 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 5% Core a good brand?

5% Core 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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