Joseph Fei O
Joseph Fei O has a SupplementChecker.co trust score of 75/100, which is a Grade of B+ and indicates a LOW risk level. Joseph Fei O claims to offer third-party tested supplements, though specific certifications are not visible. Consumers should independently verify these claims before purchasing.
Joseph Fei O Trust Summary
- Trust Score
- 75/100 (Good)
- Grade
- B+
- Risk Level
- LOW
- Third-Party Tested
- Yes (self-reported)
- FDA Recalls
- 0
- Adverse Events
- 0
Joseph Fei O 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.
Where to Buy Joseph Fei O
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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 Joseph Fei O Third-Party Tested?
Yes — Joseph Fei O is Third-party tested. This means an independent laboratory has verified that the products' contents, purity, and potency match their label claims.
Is Joseph Fei O a Good Brand?
Joseph Fei O scores 75/100 (B+) — this is an average score. There may be room for improvement in testing transparency or certifications. Joseph Fei O 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 Joseph Fei O
Joseph Fei O is an independent supplement brand operating in the US. The founding date is unknown. They offer specialty supplements.
Product Specialization
Joseph Fei O specializes in the specialty supplement category. Specific product types are not specified.
Testing & Certifications Explained
Joseph Fei O claims to utilize third-party testing, but does not specify any particular certification program. This means that while they assert their products are tested by an independent lab, there's no verifiable standard or organization overseeing the testing process. Consumers should seek additional confirmation from the brand regarding their testing protocols and results to determine if "is Joseph Fei O third-party tested" in a manner that meets their standards.
How Joseph Fei O Compares
In the specialty supplement category, Joseph Fei O faces competition from brands like Thorne Research (trust score 92/100, NSF Certified) and NOW Foods (trust score 85/100, Informed-Sport Certified). These competitors have higher trust scores and verifiable third-party certifications, offering greater assurance of product quality and safety. Compared to these brands, Joseph Fei O's lack of visible certification may be a disadvantage.
Buying Guidance
Given Joseph Fei O's trust score and claimed third-party testing, consumers should proceed with caution. If considering purchasing Joseph Fei O products, verify the third-party testing claims by contacting the company directly and requesting lab results. Look for products sold by reputable retailers to minimize the risk of counterfeit or adulterated supplements.
Frequently Asked Questions
Has Joseph Fei O had any recalls?
Are Joseph Fei O supplements third-party tested?
Is Joseph Fei O safe?
Is Joseph Fei O 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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- Trust Score
- 75/100
- Grade
- B+
- Risk Level
- LOW
- Third-Party Tested
- Yes
- FDA Recalls
- 0
- Adverse Reports
- 0