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Jamieson Cranberry 250 mg supplement bottle
Jamieson

Cranberry 250 mg Review

What We Researched
1 active ingredient analyzed · 5 inactive ingredients decoded · 5 brand certifications checked · Page generated: Sep 2026
93
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
Cranberry extract (25:1 250 mg —
Bioavailability Excellent

Absorption Rating

  • Cranberry extract (25:1 Good
Other Ingredients Excellent

Fillers & Additives

  • Dicalcium Phosphate
  • Cellulose
  • Magnesium Stearate
  • Calcium Silicate
  • Silica
Efficacy Very Good

Dosage Analysis

  • Cranberry extract (25:1 250 mg High

Supplement Facts

Ingredient Amount % Daily Value
Cranberry extract (25:1 250 mg

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Dicalcium Phosphate Safe

Serves as both a filler and a supplemental source of calcium and phosphorus.

Cellulose Safe

Provides bulk and structure in tablets and capsules.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Calcium Silicate Safe

Prevents ingredient clumping during manufacturing.

Silica Safe

Prevents ingredients from clumping and improves powder flow.

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
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Frequently Asked Questions
Is Jamieson Cranberry 250 mg a good supplement?

Jamieson Cranberry 250 mg received a product quality score of 93/100 in GoodSupp's independent analysis, placing it in the top tier of supplements we've analyzed. The product contains 1 active ingredients with 100 servings per container. All 5 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.

What are the ingredients in Jamieson Cranberry 250 mg?

Jamieson Cranberry 250 mg contains 1 active ingredients: Cranberry extract (25:1 (250 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Jamieson Cranberry 250 mg safe to take?

GoodSupp reviewed the inactive-ingredient data available for Jamieson Cranberry 250 mg. All 5 inactive ingredients — including capsule materials, fillers, and binders — are currently classified as safe in GoodSupp's ingredient reference data. 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.

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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.