Extra Strength D3 2500 IU Review

Jamieson Extra Strength D3 2500 IU 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 1 active ingredients with 450 servings per container. All 4 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.

Jamieson Extra Strength D3 2500 IU contains 1 active ingredients: Vitamin D3 (Cholecalciferol (63 mcg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Jamieson Extra Strength D3 2500 IU has been analyzed for ingredient safety across all its components. All 4 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.

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.