Stalworth
Here's the content for the Stalworth brand profile page on SupplementCheck: **** Stalworth is a supplement brand offering products in the protein and vitamin categories. While they claim third-party testing, there is no visible GMP certification. Stalworth has a clean FDA record, with no warning letters, recalls, or adverse event reports. **
Stalworth Trust Summary
- Trust Score
- 75/100 (Good)
- Grade
- B+
- Risk Level
- LOW
- Third-Party Tested
- Yes (self-reported)
- FDA Recalls
- 0
- Adverse Events
- 0
Stalworth 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 Stalworth
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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 Stalworth Third-Party Tested?
Yes — Stalworth is Third-party tested. This means an independent laboratory has verified that the products' contents, purity, and potency match their label claims.
Is Stalworth a Good Brand?
Stalworth scores 75/100 (B+) — this is an average score. There may be room for improvement in testing transparency or certifications. Stalworth 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 Stalworth
Stalworth is a supplement brand in the dietary supplement industry. The company specializes in protein powders and sports nutrition, and essential vitamins and daily nutrition. Stalworth maintains a trust score of 75/100 (Grade B+), indicating generally acceptable safety standards.
Product Specialization
Stalworth specializes in protein supplements including whey protein isolate, casein, and plant-based protein powders. Their protein products are designed to support muscle building, recovery, and daily protein intake goals for athletes and fitness enthusiasts.
Testing & Certifications Explained
Stalworth claims third-party testing through None. Third-party testing involves independent verification of supplement ingredients for purity, potency, and contaminants. However, without recognized certifications like NSF or USP, the extent and rigor of this testing may vary.
How Stalworth Compares
Within the protein powder market, Stalworth competes with established brands like Optimum Nutrition, Dymatize, and Isopure. Their trust score of 75/100 demonstrates competitive safety standards in third-party testing and regulatory compliance.
Buying Guidance
While Stalworth maintains acceptable safety standards, consumers should verify third-party testing claims and compare with certified alternatives. Purchase from reputable retailers and review ingredient lists carefully before buying.
Frequently Asked Questions
Has Stalworth had any recalls?
Are Stalworth supplements third-party tested?
Is Stalworth safe?
Is Stalworth 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: 4/4/2026.
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- Trust Score
- 75/100
- Grade
- B+
- Risk Level
- LOW
- Third-Party Tested
- Yes
- FDA Recalls
- 0
- Adverse Reports
- 0