Grade: C

MEDIUM RISK

InterPlexus

Item: InterPlexus
Rating: 50
Author: SupplementChecker

InterPlexus has a SupplementChecker.co trust score of 50/100, which translates to a grade of C and a MEDIUM risk level. InterPlexus does not appear to have any third-party testing certifications to verify the quality of its supplements. This is a significant factor for consumers concerned about ingredient purity and label accuracy.

InterPlexus Trust Summary

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

InterPlexus 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 InterPlexus Third-Party Tested?

No — InterPlexus 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 InterPlexus a Good Brand?

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

About InterPlexus

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

Product Specialization

InterPlexus focuses on supplements in the fish oil and minerals categories. They offer a variety of products within these categories, including fish oil capsules and mineral supplements.

Testing & Certifications Explained

InterPlexus does not appear to have any third-party certifications. This means that no independent organization has verified the quality, purity, or potency of their supplements. For consumers, this lack of certification increases the risk of purchasing a product that does not contain the ingredients listed on the label or that contains harmful contaminants. Consumers seeking third-party tested supplements should look for certifications like NSF Certified for Sport, USP Verified, or Informed-Sport.

How InterPlexus Compares

Compared to other brands in the supplement industry, InterPlexus's trust score of 50/100 places it lower than brands with verified third-party testing. For example, Nordic Naturals, a well-known fish oil brand, often achieves higher trust scores due to its commitment to certifications and transparency. Similarly, NOW Foods, which offers a range of mineral supplements, often has a higher trust score. These brands often provide more readily available information about their sourcing and testing practices.

Buying Guidance

Given InterPlexus's lack of third-party testing and ingredient sourcing disclosure, consumers should exercise caution when purchasing their products. Purchase from reputable retailers and carefully examine product labels. If you have concerns about product quality, consider choosing brands with higher trust scores and visible third-party certifications.

Frequently Asked Questions

Has InterPlexus had any recalls?

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

Are InterPlexus supplements third-party tested?

No — InterPlexus 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 InterPlexus safe?

InterPlexus 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 InterPlexus a good brand?

InterPlexus 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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