Plexus
Plexus has a SupplementChecker.co trust score of 25/100, which is Grade F, indicating a HIGH risk level for consumers. No third-party testing certifications were found. Consumers wondering "is Plexus third-party tested?" should note the brand does not claim to conduct third-party testing.
Plexus Trust Summary
- Trust Score
- 25/100 (Poor)
- Grade
- F
- Risk Level
- HIGH
- Third-Party Tested
- No
- FDA Recalls
- 0
- Adverse Events
- 64
Plexus has a trust score of 25/100 (Poor). The brand is not third-party tested by NSF, USP, or Informed Sport, has no FDA recalls on record and 64 adverse event reports.
Where to Buy Plexus
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Red Flags
- ⚠High number of FDA adverse event reports (64)
- ⚠No third-party testing certifications found
- ⚠No GMP certification visible
Certifications
No certifications on record. This brand has not demonstrated GMP compliance or third-party testing verification.
FDA Record
Is Plexus Third-Party Tested?
No — Plexus 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 Plexus a Good Brand?
Plexus scores 25/100 (F) — this is a below-average score. We recommend considering brands with third-party certifications like NSF or USP. Plexus has a clean FDA record with no warnings or recalls. The brand does not currently hold third-party testing certifications.
About Plexus
Plexus is a US-based supplement brand operating independently. The founding date is unknown. They offer a range of supplements marketed through a multi-level marketing model.
Product Specialization
Plexus specializes in products in the fish oil and herbal supplement categories. They are known for weight management and gut health products.
Testing & Certifications Explained
Plexus does not have any visible third-party certifications. This means there is no independent verification of the quality, purity, or potency of their products. Consumers should be aware that the absence of certifications increases the risk of contamination or inaccurate labeling. The question "is Plexus third-party tested?" is answered negatively based on available information.
How Plexus Compares
Compared to competitors like Nordic Naturals (trust score 92/100) and NOW Foods (trust score 88/100), Plexus's trust score is significantly lower. Both Nordic Naturals and NOW Foods have third-party certifications for many of their products, unlike Plexus.
Buying Guidance
Given the low Plexus trust score, consumers should exercise caution. If considering Plexus products, research individual ingredients and potential interactions. Purchase directly from the company to ensure product authenticity, and carefully review Plexus reviews and any available information.
Frequently Asked Questions
Has Plexus had any recalls?
Are Plexus supplements third-party tested?
Is Plexus safe?
Is Plexus a good brand?
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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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See the best third-party tested supplements →Quick Facts
- Trust Score
- 25/100
- Grade
- F
- Risk Level
- HIGH
- Third-Party Tested
- No
- FDA Recalls
- 0
- Adverse Reports
- 64
Buy Plexus
Similar Brands
Seeking Health
⚠ 1 product recall(s) on record
Zarbee's Naturals
⚠ 2 product recall(s) on record
Allergy Research Group
⚠ 2 product recall(s) on record
OxyElite Pro
⚠ No third-party testing certifications found
GNC Pro Performance
⚠ Elevated FDA adverse event reports (49)