Longhill Enterprises
Longhill Enterprises has a SupplementChecker trust score of 75/100, which is a grade of B+ and indicates a LOW risk level. Longhill Enterprises claims to conduct third-party testing, but does not specify which third-party certifications they hold. Consumers should verify testing information before purchasing.
Longhill Enterprises Trust Summary
- Trust Score
- 75/100 (Good)
- Grade
- B+
- Risk Level
- LOW
- Third-Party Tested
- Yes (self-reported)
- FDA Recalls
- 0
- Adverse Events
- 0
Longhill Enterprises 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 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 Longhill Enterprises Third-Party Tested?
Yes — Longhill Enterprises is Third-party tested. This means an independent laboratory has verified that the products' contents, purity, and potency match their label claims.
Is Longhill Enterprises a Good Brand?
Longhill Enterprises scores 75/100 (B+) — this is an average score. There may be room for improvement in testing transparency or certifications. Longhill Enterprises 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 Longhill Enterprises
Longhill Enterprises is a US-based vitamin brand operating independently. The company's founding date is unknown. They offer a range of vitamin products to consumers.
Product Specialization
Longhill Enterprises focuses primarily on vitamins. They offer a variety of vitamin supplements catering to general wellness needs.
Testing & Certifications Explained
Longhill Enterprises claims to use third-party testing, but does not specify which certifications they hold. This means an independent lab may test their products for purity and potency, but without a recognized certification, it's difficult to verify the thoroughness and reliability of these tests. Consumers should seek more information from Longhill Enterprises to confirm testing protocols.
How Longhill Enterprises Compares
Many vitamin brands undergo rigorous third-party certifications to demonstrate product quality. For example, Nature Made (trust score 88/100) is USP verified, and Thorne Research (trust score 92/100) is NSF Certified for Sport. These certifications provide a higher level of assurance compared to Longhill Enterprises' unspecified testing.
Buying Guidance
Given Longhill Enterprises' trust score and claimed third-party testing, consumers should carefully evaluate their products. Look for specific information about testing procedures or certifications on product packaging or the company website. Purchasing directly from Longhill Enterprises or authorized retailers is recommended.
Frequently Asked Questions
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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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- Trust Score
- 75/100
- Grade
- B+
- Risk Level
- LOW
- Third-Party Tested
- Yes
- FDA Recalls
- 0
- Adverse Reports
- 0