VieSun
VieSun has a Trust Score of 75/100, earning a grade of B+ and a LOW risk level. VieSun claims to offer third-party tested supplements, but does not appear to have GMP certification. This is an important factor for consumers to consider when evaluating if VieSun is a good brand.
VieSun Trust Summary
- Trust Score
- 75/100 (Good)
- Grade
- B+
- Risk Level
- LOW
- Third-Party Tested
- Yes (self-reported)
- FDA Recalls
- 0
- Adverse Events
- 0
VieSun 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 VieSun
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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 VieSun Third-Party Tested?
Yes — VieSun is Third-party tested. This means an independent laboratory has verified that the products' contents, purity, and potency match their label claims.
Is VieSun a Good Brand?
VieSun scores 75/100 (B+) — this is an average score. There may be room for improvement in testing transparency or certifications. VieSun 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 VieSun
VieSun is a US-based supplement brand operating independently. The founding date of VieSun is unknown. They offer a range of supplements in the protein and vitamin categories.
Product Specialization
VieSun focuses on protein and vitamin supplements. They offer a range of products including protein powders and various vitamins.
Testing & Certifications Explained
VieSun claims to offer third-party tested supplements, but the specific testing body is not identified. While third-party testing can provide an extra layer of assurance, the absence of a recognized certification like NSF or USP means consumers must rely on the brand's claims without independent verification. Furthermore, the lack of GMP certification means there is no visible verification of manufacturing quality control.
How VieSun Compares
Compared to competitors like Transparent Labs (Trust Score: 92) and Klean Athlete (Trust Score: 88), VieSun's Trust Score is lower, primarily due to the lack of GMP certification and limited transparency. Both Transparent Labs and Klean Athlete offer fully third-party tested supplements with recognized certifications, providing a higher level of assurance to consumers.
Buying Guidance
Consumers interested in VieSun products should carefully evaluate the available information and consider the brand's claimed third-party testing. Purchase VieSun products from reputable retailers and check for any available lab results or certifications on the product packaging.
Frequently Asked Questions
Has VieSun had any recalls?
Are VieSun supplements third-party tested?
Is VieSun safe?
Is VieSun 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
- 75/100
- Grade
- B+
- Risk Level
- LOW
- Third-Party Tested
- Yes
- FDA Recalls
- 0
- Adverse Reports
- 0