Grade: C

MEDIUM RISK

Nikken

Item: Nikken
Rating: 50
Author: SupplementChecker

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

Nikken Trust Summary

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

Nikken 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 Nikken Third-Party Tested?

No — Nikken 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 Nikken a Good Brand?

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

About Nikken

Nikken is a US-based specialty supplement brand operating independently. The founding date of Nikken is unknown. They offer a range of products in the specialty category.

Product Specialization

Nikken specializes in specialty supplements. Specific product types are not detailed in the available information.

Testing & Certifications Explained

Nikken does not appear to have any third-party testing certifications. This means that their products are not independently verified for ingredient purity, potency, or safety by organizations like USP, NSF, or Informed Sport. Consumers should be aware that the absence of third-party testing increases the risk of inaccurate labeling or contamination.

How Nikken Compares

Compared to other brands in the specialty supplement category, Nikken's trust score of 50/100 places it lower than brands that prioritize third-party testing. For example, a brand like Thorne Research (trust score 90+) is known for its extensive certifications, while Garden of Life (trust score 75+) also has a higher level of independent verification. Consumers should consider these differences when making purchasing decisions.

Buying Guidance

Given Nikken's lack of third-party testing and a trust score of 50/100, consumers should exercise caution. If considering Nikken products, purchase directly from the manufacturer or authorized retailers to ensure authenticity. Carefully review the ingredient list and consult with a healthcare professional before use.

Frequently Asked Questions

Has Nikken had any recalls?

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

Are Nikken supplements third-party tested?

No — Nikken 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 Nikken safe?

Nikken 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 Nikken a good brand?

Nikken 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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