Grade: D

HIGH RISK

Jamieson Vitamins

Item: Jamieson Vitamins
Rating: 40
Author: SupplementChecker

Part of Shanghai Pharmaceuticals

https://www.jamiesonvitamins.com Est. 1922 (104 years)

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)

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

FDA Warning Letters

Recalls

Adverse Reports

Recall History

Recalled by Health Canada Mar 31, 2026

Product recall
Recalled by Health Canada Dec 31, 2008

Product recall
Recalled by Health Canada Feb 10, 2002

Product recall

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.

About Jamieson Vitamins

Jamieson Vitamins is a vitamin, mineral, and supplement brand founded in 1922, giving it over 100 years in the industry. The company is now owned by Shanghai Pharmaceuticals. Jamieson Vitamins offers a wide range of health and wellness products.

Product Specialization

Jamieson Vitamins specializes in vitamins, minerals, herbs, and fish oil supplements. They are known for offering a broad selection of single-ingredient vitamins like Vitamin D and Vitamin C, as well as multivitamins and herbal remedies.

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.

How Jamieson Vitamins Compares

Compared to other brands in the supplement industry, Jamieson Vitamins' trust score of 40/100 places it lower than brands that prioritize third-party testing and transparency. For example, NOW Foods, a well-known competitor, has a higher trust score and provides extensive third-party testing. Similarly, Thorne Research is known for its rigorous testing protocols and high-quality ingredients, resulting in a higher trust score. Consumers reading "Jamieson Vitamins reviews" should consider these comparisons.

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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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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