Jamieson Vitamin B12 (Methylcobalamin) 1,000 mg Strips supplement bottle
Jamieson

Vitamin B12 (Methylcobalamin) 1,000 mg Strips Review

What We Researched
· 10 inactive ingredients decoded · 5 brand certifications checked · Page generated: Sep 2026
96
Product Score Excellent
100
Brand Score Excellent

Two independent scores — the product and the brand behind it, never blended into one number. See our methodology.

Product Analysis

Transparency Fair

Supplement Facts

No supplement facts data available.

Bioavailability N/A

Absorption Rating

No ingredient forms matched our reference database.

Other Ingredients Very Good

Fillers & Additives

  • Sodium Alginate
  • Soy Lecithin
  • Sorbitol
  • Modified Cellulose Gum
  • Natural fresh mint falvour
  • Polysorbate 80 Medium
  • Sucralose
  • Glycerin
  • Corn Starch
  • Modified Corn Starch
Efficacy N/A

Dosage Analysis

Dosage data not available for assessment.

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Sodium Alginate Safe

It is used as a thickening agent and stabilizer.

Soy Lecithin Safe

Helps blend oil and water-based ingredients. Common allergen.

Sorbitol Safe

Provides sweetness and helps retain moisture in chewables.

Modified Cellulose Gum Generally_safe

It is used to improve the texture and stability of products.

Natural fresh mint falvour Unknown
Polysorbate 80 Caution

Helps mix oil and water-based ingredients.

Sucralose Generally_safe

Adds sweetness to chewables, gummies, and powdered supplements without calories.

Glycerin Safe

Retains moisture and helps dissolve ingredients in softgels and liquids.

Corn Starch Generally_safe

It is used as a filler, binder, or thickener.

Modified Corn Starch Generally_safe

It is used as a thickener or binder.

Brand Trust Report
Jamieson

Founded 1922 · Toronto, Ontario, Canada · 384 products · jamiesonvitamins.com

Certifications

5 certifications
Consumerlab Source available Primary evidence
Health Canada Licensed Source available Primary evidence
Nsf Gmp Source available Primary evidence
Fda Gmp Inspections Source available Primary evidence
Informed Sport Source available Primary evidence

Transparency

4 claims
Third Party Testing Claim — Verified Evidence available Evidence
In House Testing — Verified Evidence available Evidence
Testing Lab Disclosure — Claimed Evidence available Evidence

Violation History

8 incidents
Prop 65 Lead2019-02-14 Source available Primary source
Prop 65 Lead2019-02-14 Source available Primary source
Lawsuit Products labeled as containing glucosamine sulfate did not actually contain any.2019 Source available Primary source
Lawsuit Manufacturing and selling products labeled as containing glucosamine sulfate which allegedly did not contain any glucosamine sulfate.2019 Source available Primary source
Recall Jamieson Vitamin B2 100 mg (NPN 00309702, Lots 1278153, 1387669, 1390088)2009-03-02 Source available Primary source
Recall Vitamin B22009-03-02 Source available Primary source
Recall Jamieson's MegaCal 650 mg with Vitamin D, 100 count (Lot 302273)2002-02-11 Source available Primary source
Recall MegaCal 650 mg with Vitamin D2002-02-11 Source available Primary source
Related Supplements
Frequently Asked Questions
Is Jamieson Vitamin B12 (Methylcobalamin) 1,000 mg Strips a good supplement?

Jamieson Vitamin B12 (Methylcobalamin) 1,000 mg Strips received a product quality score of 96/100 in GoodSupp's independent analysis, placing it in the top tier of supplements we've analyzed. Of the 10 inactive ingredients, 8 are rated safe and 1 ingredient is flagged for review. The manufacturer, Jamieson, holds a brand trust score of 100/100.

Is Jamieson Vitamin B12 (Methylcobalamin) 1,000 mg Strips safe to take?

GoodSupp reviewed the inactive-ingredient data available for Jamieson Vitamin B12 (Methylcobalamin) 1,000 mg Strips. Of 10 inactive ingredients, 8 are rated safe. 1 ingredient is flagged for review: Polysorbate 80. 'Caution' doesn't mean dangerous — it indicates the ingredient has some considerations worth being aware of, such as potential sensitivities or ongoing research. This label analysis cannot determine whether the product is safe for a particular person, and source labels may change. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is Jamieson a trustworthy supplement brand?

Jamieson receives a brand trust score of 100/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1922 and headquartered in Toronto, Ontario, Canada, the company offers 384 products in their lineup. Note: Jamieson has 8 historical regulatory incidents on record, which are factored into the trust score.

How much vitamin d3 should i take daily?

The optimal dosage depends on your individual health needs, age, sex, and current nutrient levels. Recommended daily amounts are established by health authorities but may vary from therapeutic doses used in clinical research. It's important to check the Supplement Facts label for the exact amount per serving and compare it against the % Daily Value. Some supplements provide mega-doses well above the Daily Value, which may not be necessary and in some cases could be harmful — particularly for fat-soluble vitamins (A, D, E, K) that accumulate in the body. GoodSupp's efficacy analysis evaluates whether a product's dosages align with clinically studied amounts. Always consult your healthcare provider for personalized dosage recommendations.

What does vitamin d do?

This is an important question for supplement consumers. The dietary supplement industry is largely self-regulated, which means product quality, ingredient transparency, and safety practices vary significantly between brands and products. The most reliable way to evaluate any supplement is to check for third-party testing certifications, review the full ingredient list and dosages, and research the brand's regulatory track record. GoodSupp's database of over 150,000 analyzed products provides independent quality scores, ingredient safety ratings, and brand trust reports to help you make evidence-based decisions.

How much vitamin d3 per day for a woman?

The optimal dosage depends on your individual health needs, age, sex, and current nutrient levels. Recommended daily amounts are established by health authorities but may vary from therapeutic doses used in clinical research. It's important to check the Supplement Facts label for the exact amount per serving and compare it against the % Daily Value. Some supplements provide mega-doses well above the Daily Value, which may not be necessary and in some cases could be harmful — particularly for fat-soluble vitamins (A, D, E, K) that accumulate in the body. GoodSupp's efficacy analysis evaluates whether a product's dosages align with clinically studied amounts. Always consult your healthcare provider for personalized dosage recommendations.

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Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records — read our methodology. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Product data is sourced from manufacturer labels and public databases. GoodSupp is not affiliated with any supplement brand.