Winson Limited
Winson Limited has a SupplementChecker.co trust score of 75/100, earning a grade of B+ and a LOW risk designation. Winson Limited claims to have its products third-party tested, but does not specify which testing body is used. This is a positive sign, but consumers should independently verify these claims.
Winson Limited Trust Summary
- Trust Score
- 75/100 (Good)
- Grade
- B+
- Risk Level
- LOW
- Third-Party Tested
- Yes (self-reported)
- FDA Recalls
- 0
- Adverse Events
- 0
Winson Limited 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 Winson Limited
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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 Winson Limited Third-Party Tested?
Yes — Winson Limited is Third-party tested. This means an independent laboratory has verified that the products' contents, purity, and potency match their label claims.
Is Winson Limited a Good Brand?
Winson Limited scores 75/100 (B+) — this is an average score. There may be room for improvement in testing transparency or certifications. Winson Limited 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 Winson Limited
Winson Limited is a US-based supplement company operating independently. The company's founding date is unknown. Winson Limited focuses on providing supplements to support health and wellness.
Product Specialization
Winson Limited specializes in protein and vitamin supplements. Their product range includes protein powders, multivitamins, and targeted vitamin formulations.
Testing & Certifications Explained
Winson Limited claims its products are third-party tested, but does not specify which third-party does the testing. Without a specific certification, consumers cannot independently verify the testing process or standards used. While the claim of third-party testing is a positive indicator, the lack of transparency makes it difficult to fully assess the extent and rigor of the testing.
How Winson Limited Compares
Compared to brands like Transparent Labs (trust score 92/100) which provides extensive third-party testing and GMP certifications, Winson Limited lags behind in transparency. However, it scores higher than brands like Nutricost (trust score 68/100), which also lacks GMP certification and detailed third-party testing information. The Winson Limited trust score places it in a middle ground within the supplement market.
Buying Guidance
Consumers interested in Winson Limited products should carefully examine product labels and attempt to independently verify the third-party testing claims. Look for batch-specific lab results if available. Given the moderate Winson Limited trust score, consider comparing Winson Limited reviews with other brands before purchasing.
Frequently Asked Questions
Has Winson Limited had any recalls?
Are Winson Limited supplements third-party tested?
Is Winson Limited safe?
Is Winson Limited 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