Priority One Vitamins
Priority One Vitamins has a SupplementChecker trust score of 100/100, which is an A+ grade and indicates a low risk level. Priority One Vitamins is NSF Certified for Sport, meaning their products are tested for banned substances. This is a positive indicator of product safety and quality.
Priority One Vitamins Trust Summary
- Trust Score
- 100/100 (Excellent)
- Grade
- A+
- Risk Level
- LOW
- Third-Party Tested
- Yes (NSF)
- FDA Recalls
- 0
- Adverse Events
- 0
- Years in Business
- 38 years
- GMP Certified
- Yes
Priority One Vitamins has a trust score of 100/100 (Excellent). The brand is third-party tested by NSF, has no FDA recalls on record and no adverse event reports and has been in business for 38 years.
Where to Buy Priority One Vitamins
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Verified Strengths
- ✓NSF Certified for Sport — banned substance tested
- ✓Established brand — operating since 1988 (38 years)
- ✓Clean FDA record — no warnings, recalls, or significant adverse events
Certifications
Third-party testing means an independent laboratory has verified this product's contents, purity, and potency match what's on the label.
FDA Record
Clean record — no FDA warnings, recalls, or significant adverse events.
Is Priority One Vitamins Third-Party Tested?
Yes — Priority One Vitamins is NSF-certified. This means an independent laboratory has verified that the products' contents, purity, and potency match their label claims. They also maintain GMP (Good Manufacturing Practice) certification.
Is Priority One Vitamins a Good Brand?
Priority One Vitamins scores 100/100 (A+) — this is an above-average score indicating a trustworthy brand. Priority One Vitamins has a clean FDA record with no warnings or recalls. The brand holds third-party certifications (NSF-certified), which is a strong quality indicator.
About Priority One Vitamins
Priority One Vitamins is an independent vitamin and supplement company founded in 1988. The company is headquartered in the US. They offer a range of products aimed at supporting various health and wellness needs.
Product Specialization
Priority One Vitamins specializes in vitamins, minerals, and practitioner-focused supplements. Their product line includes a variety of formulations designed to address specific health concerns and support overall well-being.
Testing & Certifications Explained
Priority One Vitamins is NSF Certified for Sport. This certification means that their products have been tested by NSF International, an independent organization, to ensure they do not contain unsafe levels of contaminants, prohibited substances, or masking agents. This certification is particularly important for athletes and others who need to be certain that their supplements are free of banned substances. This answers the question, 'is Priority One Vitamins third-party tested?'
How Priority One Vitamins Compares
Compared to brands like Thorne Research (trust score 98/100, NSF Certified for Sport) and Pure Encapsulations (trust score 95/100, third-party tested), Priority One Vitamins holds a comparable trust score. Many practitioner brands such as Metagenics (trust score 82/100) do not have NSF Certified for Sport status. This makes Priority One Vitamins stand out among practitioner brands.
Buying Guidance
Given Priority One Vitamins' high trust score and NSF Certified for Sport status, it appears that Priority One Vitamins is a good brand. Consumers can purchase Priority One Vitamins products from various retailers. Always verify the product's certification status on the packaging before purchasing.
Frequently Asked Questions
Has Priority One Vitamins had any recalls?
Are Priority One Vitamins supplements third-party tested?
Is Priority One Vitamins safe?
Is Priority One Vitamins a good brand?
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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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See the best third-party tested supplements →Quick Facts
- Trust Score
- 100/100
- Grade
- A+
- Risk Level
- LOW
- Third-Party Tested
- Yes
- FDA Recalls
- 0
- Adverse Reports
- 0
- Founded
- 1988