Grade: C

MEDIUM RISK

Master Supplements

Item: Master Supplements
Rating: 50
Author: SupplementChecker

Master Supplements has a SupplementChecker.co trust score of 50/100, a grade of C, and a MEDIUM risk level. Master Supplements does not appear to conduct third-party testing on its products. Consumers should be aware of the lack of independent verification when considering Master Supplements.

Master Supplements Trust Summary

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

Master Supplements 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 Master Supplements Third-Party Tested?

No — Master Supplements 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 Master Supplements a Good Brand?

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

About Master Supplements

Master Supplements is an independent supplement brand headquartered in the US. The founding date of Master Supplements is unknown. They offer a range of supplements in the specialty category.

Product Specialization

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

Testing & Certifications Explained

Master Supplements does not have any third-party certifications on record. This means there is no independent organization verifying the quality, purity, or potency of their products. Consumers should be aware that the claims made by Master Supplements have not been independently validated.

How Master Supplements Compares

Compared to other brands in the specialty supplement category, Master Supplements' trust score of 50/100 is lower than brands that undergo rigorous third-party testing. For example, a brand like Klean Athlete (trust score 90+) is third-party tested and NSF Certified for Sport. Another competitor, Thorne Research (trust score 85+), publishes lab results and has a strong reputation for quality.

Buying Guidance

Given the lack of third-party testing and certifications, consumers should exercise caution when purchasing Master Supplements products. Purchase from reputable retailers and carefully evaluate the ingredient list and claims made by the company. Consider consulting with a healthcare professional before using Master Supplements products.

Frequently Asked Questions

Has Master Supplements had any recalls?

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

Are Master Supplements supplements third-party tested?

No — Master Supplements 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 Master Supplements safe?

Master Supplements 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 Master Supplements a good brand?

Master Supplements 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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