Grade: C

MEDIUM RISK

Master Supplements Incorporated

Item: Master Supplements Incorporated
Rating: 50
Author: SupplementChecker

Master Supplements Incorporated has a SupplementChecker.co trust score of 50/100, which translates to a grade of C and a MEDIUM risk level. Master Supplements Incorporated does not appear to conduct third-party testing on its products. The brand has a clean FDA record, with no warning letters, recalls, or adverse event reports.

Master Supplements Incorporated Trust Summary

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

Master Supplements Incorporated 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.

Where to Buy Master Supplements Incorporated

Purchase from trusted retailers. We may earn a commission at no extra cost to you.

Buy on iHerb Buy on Amazon

Check another brand:

e.g. Nature Made, Thorne, NOW Foods...

Check

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 Incorporated Third-Party Tested?

No — Master Supplements Incorporated 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 Incorporated a Good Brand?

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

About Master Supplements Incorporated

Master Supplements Incorporated is an independent supplement company based in the US. The company's founding date is unknown. They operate as an independent entity, not under a larger parent company. Master Supplements Incorporated focuses on developing and marketing specialty supplements.

Product Specialization

Master Supplements Incorporated specializes in the specialty supplement category. Specific product types offered by Master Supplements Incorporated are not specified.

Testing & Certifications Explained

There is no evidence that Master Supplements Incorporated uses third-party testing or certifications to verify the quality and safety of its products. This means that no independent organization has verified the ingredients, potency, or purity of Master Supplements Incorporated's supplements. Consumers must rely solely on the company's own assurances regarding product quality. The absence of third-party testing is a significant factor in the Master Supplements Incorporated trust score.

How Master Supplements Incorporated Compares

Many supplement brands in the specialty category prioritize third-party testing to build consumer trust. For example, Thorne Research (trust score 92/100) and Klean Athlete (trust score 88/100) both have comprehensive third-party testing programs and certifications. These brands achieve higher trust scores due to their commitment to transparency and independent verification, unlike Master Supplements Incorporated.

Buying Guidance

Given that Master Supplements Incorporated does not appear to conduct third-party testing, consumers should exercise caution. Purchase from reputable retailers and carefully evaluate product labels and claims. Consider seeking advice from a healthcare professional before using Master Supplements Incorporated products.

Frequently Asked Questions

Has Master Supplements Incorporated had any recalls?

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

Are Master Supplements Incorporated supplements third-party tested?

No — Master Supplements Incorporated 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 Incorporated safe?

Master Supplements Incorporated 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 Incorporated a good brand?

Master Supplements Incorporated 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.

Get FDA Recall Alerts

We'll notify you when FDA recalls affect supplement brands you care about.

Compare Similar Brands

Brands in similar categories with comparable trust profiles. Compare certifications, scores, and safety records.

65/100

Lower rated

Brightside

Grade B • Higher score

65/100

Lower rated

Outwork Nutrition

Grade B • Higher score

65/100

Lower rated

Vital Vitamins

Grade B • Higher score

65/100

Lower rated

Thesis

Grade B • Higher score

65/100

Lower rated

Traditional Medicinals

Grade B • Higher score

Want more comparisons? Browse our supplement categories or check our buying guides.

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.

Promote Your Trust Score

Embed this badge on your site — it displays Master Supplements Incorporated's verified trust score and links back to this profile page. Helps show buyers you're transparent about third-party testing.

Small · 220×110

<iframe src="https://supplementchecker.co/embed/master-supplements-incorporated/" width="220" height="110" frameborder="0" loading="lazy" title="Master Supplements Incorporated trust score by SupplementChecker"></iframe>

Medium · 320×160

<iframe src="https://supplementchecker.co/embed/master-supplements-incorporated/" width="320" height="160" frameborder="0" loading="lazy" title="Master Supplements Incorporated trust score by SupplementChecker"></iframe>

Large · 420×210

<iframe src="https://supplementchecker.co/embed/master-supplements-incorporated/" width="420" height="210" frameborder="0" loading="lazy" title="Master Supplements Incorporated trust score by SupplementChecker"></iframe>

Paste the snippet anywhere on your site. The badge updates automatically when Master Supplements Incorporated's trust score changes.

Own this brand? Contact us to update your information.

Want to find supplements you can trust?

Third-party testing is the single best indicator of supplement quality. We analyzed Master Supplements Incorporated and 500+ other brands to find the ones that actually prove what's on the label.

See the best third-party tested supplements →