Jamieson Collagen Unflavoured Powder 231 g supplement bottle
Jamieson

Collagen Unflavoured Powder 231 g Review

What We Researched
3 active ingredients analyzed · 1 inactive ingredient decoded · 5 brand certifications checked · Last updated: Aug 2026
100
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 Excellent

Supplement Facts

IngredientAmount% DV
Hydrolyzed collagen (hydrolyzed collagen, bovine - skin) 6,000 mg
Vitamin C (calcium ascorbate) 200 mg
Biotin 2.5 mg
Bioavailability Excellent

Absorption Rating

  • Hydrolyzed collagen (hydrolyzed collagen, bovine - skin) Good
  • Vitamin C (calcium ascorbate) Good
  • Biotin Good
Other Ingredients Excellent

Fillers & Additives

  • Silicon Dioxide
Efficacy Excellent

Dosage Analysis

  • Hydrolyzed collagen (hydrolyzed collagen, bovine - skin) 6,000 mg Effective
  • Vitamin C (calcium ascorbate) 200 mg Effective
  • Biotin 2.5 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
Hydrolyzed collagen (hydrolyzed collagen, bovine - skin) 6,000 mg
Vitamin C (calcium ascorbate) 200 mg
Biotin 2.5 mg

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Silicon Dioxide Safe

Prevents clumping and ensures consistent dosing.

Brand Trust Report
Jamieson

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

Certifications

5 certifications
Consumerlab Verified Source
Health Canada Licensed Verified Source
Nsf Gmp Verified Source
Fda Gmp Inspections Verified Source
Informed Sport Verified Source

Transparency

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

Violation History

8 incidents
Prop 65 Lead2019-02-14Source
Prop 65 Lead2019-02-14Source
Lawsuit Products labeled as containing glucosamine sulfate did not actually contain any.2019Source
Lawsuit Manufacturing and selling products labeled as containing glucosamine sulfate which allegedly did not contain any glucosamine sulfate.2019Source
Recall Jamieson Vitamin B2 100 mg (NPN 00309702, Lots 1278153, 1387669, 1390088)2009-03-02Source
Recall Vitamin B22009-03-02Source
Recall Jamieson's MegaCal 650 mg with Vitamin D, 100 count (Lot 302273)2002-02-11Source
Recall MegaCal 650 mg with Vitamin D2002-02-11Source
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Frequently Asked Questions
Is Jamieson Collagen Unflavoured Powder 231 g a good supplement?

Jamieson Collagen Unflavoured Powder 231 g received a product quality score of 100/100 in GoodSupp's independent analysis, placing it in the top tier of supplements we've analyzed. The product contains 3 active ingredients All 1 inactive ingredients (fillers, binders, capsule materials) are rated safe — a clean formulation with no flagged additives. The manufacturer, Jamieson, holds a brand trust score of 100/100 with 5 verified certifications including Consumerlab, Health Canada Licensed, Nsf Gmp, Fda Gmp Inspections.

What are the ingredients in Jamieson Collagen Unflavoured Powder 231 g?

Jamieson Collagen Unflavoured Powder 231 g contains 3 active ingredients: Hydrolyzed collagen (hydrolyzed collagen, bovine - skin) (6,000 mg), Vitamin C (calcium ascorbate) (200 mg), Biotin (2.5 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Jamieson Collagen Unflavoured Powder 231 g safe to take?

Jamieson Collagen Unflavoured Powder 231 g has been analyzed for ingredient safety across all its components. All 1 inactive ingredients — including capsule materials, fillers, and binders — are rated safe based on regulatory data and published safety research. This is a clean formulation with no controversial additives. 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. They hold 5 verified certifications including Consumerlab, Health Canada Licensed, Nsf Gmp, Fda Gmp Inspections. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Jamieson has 8 historical regulatory incidents on record, which are factored into the trust score.

What is collagen?

Collagen is a topic many supplement consumers ask about. In the context of dietary supplements, understanding collagen helps you make more informed choices about what you put in your body. The quality and form of ingredients matters significantly — two products listing the same ingredient can differ dramatically in bioavailability and effectiveness. GoodSupp analyzes over 150,000 supplement products to help consumers understand exactly what's in their supplements and whether the formulation meets quality standards.

What is collagen good for?

Collagen Good For is a topic many supplement consumers ask about. In the context of dietary supplements, understanding collagen good for helps you make more informed choices about what you put in your body. The quality and form of ingredients matters significantly — two products listing the same ingredient can differ dramatically in bioavailability and effectiveness. GoodSupp analyzes over 150,000 supplement products to help consumers understand exactly what's in their supplements and whether the formulation meets quality standards.

Do collagen tablets work?

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.

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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.