GlaxoSmithKline
GlaxoSmithKline has a SupplementChecker.co trust score of 20/100, which is an F grade, indicating a Critical risk level. No third-party testing certifications were found for GlaxoSmithKline. Consumers should be aware of a history of 6 FDA recalls.
GlaxoSmithKline Trust Summary
- Trust Score
- 20/100 (Poor)
- Grade
- F
- Risk Level
- CRITICAL
- Third-Party Tested
- No
- Recalls
- 6
- Adverse Events
- 0
GlaxoSmithKline has a trust score of 20/100 (Poor). The brand is not third-party tested by NSF, USP, or Informed Sport, has 6 Health Canada recalls on record and no adverse event reports.
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Red Flags
- ⚠6 product recall(s) on record
- ⚠No third-party testing certifications found
- ⚠No GMP certification visible
Certifications
No certifications on record. This brand has not demonstrated GMP compliance or third-party testing verification.
Regulatory Record
Recall History
- Recalled by Health Canada Nov 2, 2021
- Recalled by Health Canada Oct 7, 2019
- Recalled by Health Canada Oct 16, 2016
- Recalled by Health Canada Jul 12, 2015
- Recalled by Health Canada Jul 12, 2015
- Recalled by Health Canada Jul 12, 2015
Is GlaxoSmithKline Third-Party Tested?
No — GlaxoSmithKline is not currently third-party tested by independent certifiers like NSF, USP, or Informed Sport. No GMP certification was found on record either. We recommend looking for brands with verified third-party testing for the highest confidence in product quality. See our guide to third-party tested supplements.
Is GlaxoSmithKline a Good Brand?
GlaxoSmithKline scores 20/100 (F) — this is a below-average score. We recommend considering brands with third-party certifications like NSF or USP. Note: 6 product recall(s) are on record, which impacts the overall trust assessment. The brand does not currently hold third-party testing certifications.
About GlaxoSmithKline
GlaxoSmithKline is a US-based supplement brand operating independently. The founding date of GlaxoSmithKline is unknown. They offer a range of supplements.
Product Specialization
GlaxoSmithKline focuses on fish oil supplements. They offer various formulations and dosages within this category.
Testing & Certifications Explained
GlaxoSmithKline does not have any third-party testing certifications on record. This means that there is no readily available independent verification of their products' quality, purity, or potency. Consumers cannot easily confirm that the supplements contain the ingredients listed on the label or that they are free from contaminants. The absence of certifications impacts the assessment of whether GlaxoSmithKline is safe.
How GlaxoSmithKline Compares
Many competing brands in the fish oil category prioritize third-party testing and transparency. For example, consider brands like Nordic Naturals (trust score 85/100) and NOW Foods (trust score 78/100), both of which have certifications from organizations like NSF International or USP. These brands demonstrate a higher commitment to quality assurance compared to GlaxoSmithKline.
Buying Guidance
Given the GlaxoSmithKline trust score and lack of third-party testing, consumers should exercise caution. If considering GlaxoSmithKline products, carefully review the GlaxoSmithKline recall history and compare it against third-party tested supplements. Consult with a healthcare professional before use.
Frequently Asked Questions
Has GlaxoSmithKline had any recalls?
Are GlaxoSmithKline supplements third-party tested?
Is GlaxoSmithKline safe?
Is GlaxoSmithKline 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
- 20/100
- Grade
- F
- Risk Level
- CRITICAL
- Third-Party Tested
- No
- Recalls
- 6
- Adverse Reports
- 0
Buy GlaxoSmithKline
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