40
Grade: D
HIGH RISK

Jamieson Vitamins

Part of Shanghai Pharmaceuticals

https://www.jamiesonvitamins.com Est. 1922 (104 years) Last reviewed: April 14, 2026

Jamieson Vitamins has a SupplementChecker.co trust score of 40/100, which translates to a Grade D and a HIGH risk level. Jamieson Vitamins does not appear to provide third-party testing for its products. Consumers should be aware of 3 FDA recalls on record.

Jamieson Vitamins Trust Summary

Trust Score
40/100 (Below Average)
Grade
D
Risk Level
HIGH
Third-Party Tested
No
Recalls
3
Adverse Events
0
Years in Business
104 years
GMP Certified
Yes

Jamieson Vitamins has a trust score of 40/100 (Below Average). The brand is not third-party tested by NSF, USP, or Informed Sport, has 3 Health Canada recalls on record and no adverse event reports and has been in business for 104 years.

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Red Flags

  • 3 product recall(s) on record
  • No third-party testing certifications found

Verified Strengths

  • Established brand — operating since 1922 (104 years)
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Testing & Transparency Analysis

Our analysis of Jamieson Vitamins' testing and transparency practices reveals a lack of readily available independent verification. The brand's website [Source: Brand Website] does not provide sufficient content to ascertain specific testing protocols or quality control measures. We were unable to verify any claims regarding third-party testing or certifications. ConsumerLab and Labdoor, two independent organizations that test supplements, have not evaluated Jamieson Vitamins products [Source: ConsumerLab], [Source: Labdoor]. This means no independent verification data is available from these sources. Furthermore, we could not locate any Certificates of Analysis (COAs) on the brand's website or through other publicly accessible channels, indicating a lack of transparency regarding individual batch testing. Without access to COAs or third-party testing results, it is impossible to confirm the accuracy of label claims or assess the purity and potency of Jamieson Vitamins products. The absence of this information raises concerns about the brand's commitment to transparency and independent quality assurance. Consumers seeking independently verified supplements may need to look elsewhere until Jamieson Vitamins provides more comprehensive testing data.

Certifications

GMP Certified

GMP certification ensures manufacturing quality standards are met, but does not verify that product contents match the label through independent testing. Look for NSF, USP, or Informed Sport certifications for third-party verified products.

Regulatory Record

0
FDA Warning Letters
3
Recalls
0
Adverse Reports

Recall History

  • Recalled by Health Canada Apr 1, 2026
    Product recall
  • Recalled by Health Canada Jan 1, 2009
    Product recall
  • Recalled by Health Canada Feb 11, 2002
    Product recall

View full Jamieson Vitamins recall page →

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Regulatory & Legal History

As of April 20, 2026, Jamieson Vitamins appears to have a clean regulatory and legal record. No FDA warning letters, recalls, or active lawsuits found. Our search of legal databases and regulatory resources, including ClassAction.org, FDA.gov, and TINA.org, revealed no significant legal actions or regulatory sanctions against Jamieson Vitamins. The absence of such records suggests a history of compliance with relevant regulations and a lack of major legal challenges related to product safety, efficacy, or marketing practices. This information is based on currently available public records and may not reflect ongoing investigations or non-public legal matters.

Is Jamieson Vitamins Third-Party Tested?

No — Jamieson Vitamins is not currently third-party tested by independent certifiers like NSF, USP, or Informed Sport. They do hold GMP certification, which ensures manufacturing quality but does not independently verify product contents. 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 Jamieson Vitamins a Good Brand?

Jamieson Vitamins scores 40/100 (D) — this is a below-average score. We recommend considering brands with third-party certifications like NSF or USP. Note: 3 product recall(s) are on record, which impacts the overall trust assessment. The brand does not currently hold third-party testing certifications.

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Jamieson Vitamins Deep Dive

Jamieson Vitamins, a widely recognized supplement brand, aims to provide a range of health and wellness products. While a detailed founding story and specific product specializations are typically gleaned from the brand's website, this information is currently unavailable [Source: Brand Website]. Therefore, we cannot comment on the company's origins or specific areas of product focus.

Regarding market position, Jamieson is generally considered a mainstream brand, often found in major retailers. Certifications are an important aspect of supplement quality, but information regarding specific certifications held by Jamieson is currently unavailable.

Consumer reputation is a crucial factor in assessing any brand. However, due to insufficient data from Reddit and Amazon reviews, a comprehensive analysis of consumer sentiment towards Jamieson products is not possible at this time [Source: Reddit], [Source: Amazon]. This lack of data prevents a clear understanding of customer satisfaction and product effectiveness based on user experiences.

Independent lab testing provides assurance of product quality and accuracy of labeling. Currently, Jamieson's products have not been independently verified by ConsumerLab or Labdoor, and no brand-provided Certificate of Analysis (COA) was found [Source: Lab Reports]. This absence of third-party testing limits the ability to confirm the purity and potency of their supplements.

From a legal standpoint, no significant legal history was found for Jamieson Vitamins, suggesting a relatively clean record in terms of lawsuits or regulatory actions [Source: Legal History]. Similarly, mentions and sentiment analysis from expert forums like Examine, Longecity, and Nootropics are unavailable, precluding any assessment of expert opinions on the brand [Source: Expert Forums].

Overall, a comprehensive assessment of Jamieson Vitamins is challenging due to the lack of available data across multiple key areas. Further investigation is needed to provide a more informed perspective on the brand's quality, efficacy, and consumer perception.

Testing & Certifications Explained

Jamieson Vitamins is GMP Certified, which means their manufacturing processes meet certain quality standards. However, the brand does not appear to provide third-party testing for its products. This means that an independent laboratory does not verify the ingredients, potency, and purity of Jamieson Vitamins supplements. Consumers seeking "third-party tested supplements" may want to look for brands that provide Certificates of Analysis (COAs) from independent labs.

Buying Guidance

Given Jamieson Vitamins' trust score and lack of third-party testing, consumers should exercise caution when purchasing their products. Check the expiration dates and lot numbers on any Jamieson Vitamins products. Consumers concerned about product purity and potency may want to consider brands that provide third-party testing and transparent ingredient sourcing.

Frequently Asked Questions

Has Jamieson Vitamins had any recalls?
Yes — as of 2026, Jamieson Vitamins has 3 Health Canada product recall(s) on record. Jamieson Vitamins received a trust score of 40/100 from SupplementChecker.
Are Jamieson Vitamins supplements third-party tested?
No — Jamieson Vitamins supplements are not currently third-party tested by independent certifiers like NSF, USP, or Informed Sport. They do have GMP (Good Manufacturing Practice) certification, which ensures manufacturing quality but does not independently verify product contents.
Is Jamieson Vitamins safe?
Jamieson Vitamins received a trust score of 40/100 (grade: D, risk level: HIGH). This score is calculated from regulatory records (FDA and Health Canada), third-party certifications, adverse event reports, and transparency practices. Note: 3 product recall(s) are on record.
Is Jamieson Vitamins a good brand?
Jamieson Vitamins scores 40/100 (grade: D) — this is below average. We recommend looking for brands with third-party certifications like NSF or USP. They do not currently hold third-party testing certifications like NSF, USP, or Informed Sport. Note: 3 recall(s) are on record.
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What Real Users Say About Jamieson Vitamins

Due to a lack of sufficient data, a comprehensive analysis of user sentiment regarding Jamieson Vitamins is not currently possible. No data available from Reddit, Amazon Reviews, or forums. Therefore, it is impossible to determine overall sentiment, identify common praise points, or summarize typical complaints associated with this brand. More data is needed to provide an accurate representation of user experiences with Jamieson Vitamins.

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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.

See our full scoring methodology and data sources for how each signal is measured.

All data sourced from FDA.gov, Health Canada (LNHPD / recalls-rappels), NSF.org, USP.org, and publicly available brand information. Last updated: 5/1/2026.

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Quick Facts

Trust Score
40/100
Grade
D
Risk Level
HIGH
Third-Party Tested
No
Recalls
3
Adverse Reports
0
Founded
1922

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