Grade: B+

LOW RISK

Mason Vitamins

Item: Mason Vitamins
Rating: 75
Author: SupplementChecker

Mason Vitamins has a SupplementChecker trust score of 75/100, which translates to a grade of B+ and a LOW risk level. Mason Vitamins claims to conduct third-party testing, but does not specify which certifications they hold. This, combined with a clean FDA record, suggests reasonable trustworthiness, though more transparency would improve their score.

Mason Vitamins Trust Summary

Trust Score: 75/100 (Good)
Grade: B+
Risk Level: LOW
Third-Party Tested: Yes (self-reported)
FDA Recalls: 0
Adverse Events: 0

Mason Vitamins has a trust score of 75/100 (Good). The brand is claims third-party testing (self-reported), has no FDA recalls on record and no adverse event reports.

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Red Flags

⚠No GMP certification visible

Verified Strengths

✓Claims third-party testing
✓Clean FDA record — no warnings, recalls, or significant adverse events

Certifications

Third-Party Tested

Third-party testing means an independent laboratory has verified this product's contents, purity, and potency match what's on the label.

FDA Record

FDA Warning Letters

Recalls

Adverse Reports

Clean record — no FDA warnings, recalls, or significant adverse events.

Is Mason Vitamins Third-Party Tested?

Yes — Mason Vitamins is Third-party tested. This means an independent laboratory has verified that the products' contents, purity, and potency match their label claims.

Is Mason Vitamins a Good Brand?

Mason Vitamins scores 75/100 (B+) — this is an average score. There may be room for improvement in testing transparency or certifications. Mason Vitamins has a clean FDA record with no warnings or recalls. The brand holds third-party certifications (Third-party tested), which is a strong quality indicator.

About Mason Vitamins

Mason Vitamins is a US-based vitamin brand operating independently. The founding date is unknown. They offer a range of vitamin products. Mason Vitamins aims to provide affordable supplements to a wide consumer base.

Product Specialization

Mason Vitamins specializes in vitamins. Their product line includes a variety of single-ingredient vitamins and multivitamins.

Testing & Certifications Explained

Mason Vitamins claims that their products are third-party tested, but they do not specify which third-party certifications they hold. This means that while they assert independent verification of their products' contents and safety, there is no readily available evidence to confirm the stringency or reliability of these tests. Consumers should seek more information from Mason Vitamins directly to understand the scope of their testing procedures. The absence of GMP certification is a red flag.

How Mason Vitamins Compares

Compared to brands like Nature Made (trust score 82/100) and NOW Foods (trust score 90/100), Mason Vitamins' trust score of 75/100 is lower. Nature Made and NOW Foods both hold third-party certifications like USP and Informed-Sport, offering greater assurance of product quality. Other brands like Puritan's Pride (trust score 68/100) have lower scores and also lack visible third-party certifications.

Buying Guidance

Given Mason Vitamins' trust score and claimed third-party testing, consumers may consider their products. However, it's advisable to contact Mason Vitamins directly to inquire about specific testing protocols and request any available lab results. Purchase from reputable retailers to ensure product authenticity.

Frequently Asked Questions

Has Mason Vitamins had any recalls?

No — as of 2026, Mason Vitamins has zero FDA product recalls on record. They maintain a clean FDA record with no warning letters or significant adverse event reports. Mason Vitamins received a trust score of 75/100 from SupplementChecker.

Are Mason Vitamins supplements third-party tested?

Yes — Mason Vitamins supplements are third-party tested. They hold the following certifications: third-party tested (self-reported). Third-party testing means an independent lab has verified the product's contents, purity, and potency match the label claims.

Is Mason Vitamins safe?

Mason Vitamins received a trust score of 75/100 (grade: B+, risk level: LOW). This score is calculated from FDA records, third-party certifications, adverse event reports, and transparency practices. No FDA warnings or recalls are on record.

Grade A+ • 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.

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Quick Facts

Trust Score: 75/100
Grade: B+
Risk Level: LOW
Third-Party Tested: Yes
FDA Recalls: 0
Adverse Reports: 0

⚠ No GMP certification visible