Grade: C

MEDIUM RISK

Chapter One

Item: Chapter One
Rating: 50
Author: SupplementChecker

Chapter One has a SupplementChecker.co trust score of 50/100, which is a Grade C, indicating a MEDIUM risk level. Chapter One does not appear to conduct third-party testing on its supplements. Consumers should consider these factors when evaluating if Chapter One is a good brand for their needs.

Chapter One Trust Summary

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

Chapter One 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 Chapter One Third-Party Tested?

No — Chapter One 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 Chapter One a Good Brand?

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

About Chapter One

Chapter One is a supplement brand operating independently in the US. The founding date of Chapter One is unknown. They offer a range of supplements in the health and wellness market.

Product Specialization

Chapter One specializes in minerals. They offer a variety of mineral supplements, catering to consumers looking to address specific nutritional deficiencies.

Testing & Certifications Explained

Chapter One does not appear to have any third-party testing certifications. This means that independent organizations are not verifying the contents and purity of their supplements. Third-party tested supplements undergo rigorous analysis to confirm label accuracy and the absence of contaminants. Consumers should be aware that the absence of such certifications increases the risk of inconsistencies in product quality.

How Chapter One Compares

Compared to other brands in the mineral supplement category, Chapter One's trust score of 50/100 is moderate. For example, a brand like Thorne Research, which emphasizes rigorous third-party testing, typically scores much higher. Similarly, NOW Foods, known for its extensive quality control processes, generally has a better trust score. These brands often invest heavily in certifications to demonstrate product quality and safety.

Buying Guidance

Given Chapter One's trust score and lack of third-party testing, consumers should exercise caution. Purchase Chapter One products from reputable retailers to minimize the risk of counterfeit products. Carefully examine product labels and consider consulting with a healthcare professional before use.

Frequently Asked Questions

Has Chapter One had any recalls?

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

Are Chapter One supplements third-party tested?

No — Chapter One 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 Chapter One safe?

Chapter One 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 Chapter One a good brand?

Chapter One 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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