D3 50 mcg (2000 IU) Review
Product Analysis
Transparency Excellent
Supplement Facts
| Ingredient | Amount | % DV |
|---|---|---|
| Vitamin D3 | 50 mcg | 250% |
Bioavailability Excellent
Absorption Rating
- Vitamin D3 Good
Other Ingredients Excellent
Fillers & Additives
- Soybean Oil
- Gelatin
- Glycerin
- Water
- Vitamin D3
Efficacy Excellent
Dosage Analysis
- Vitamin D3 50 mcg Effective
Supplement Facts
| Ingredient | Amount | % Daily Value |
|---|---|---|
| Vitamin D3 | 50 mcg | 250% |
Other Ingredients
Is Kirkland Signature D3 50 mcg (2000 IU) a good supplement?
Kirkland Signature D3 50 mcg (2000 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 600 servings per container. All 5 inactive ingredients (fillers, binders, capsule materials) are rated safe — a clean formulation with no flagged additives. The manufacturer, Kirkland Signature, holds a brand trust score of 80/100 with 4 verified certifications including Usp Verified, Informed Choice, USDA Organic, Gluten-Free Certified.
What are the ingredients in Kirkland Signature D3 50 mcg (2000 IU)?
Kirkland Signature D3 50 mcg (2000 IU) contains 1 active ingredients: Vitamin D3 (50 mcg). Notable high-dose ingredients include Vitamin D3 at 250% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.
Is Kirkland Signature D3 50 mcg (2000 IU) safe to take?
Kirkland Signature D3 50 mcg (2000 IU) has been analyzed for ingredient safety across all its components. All 5 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 Kirkland Signature a trustworthy supplement brand?
Kirkland Signature receives a brand trust score of 80/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1995 and headquartered in Issaquah, Washington, United States, the company offers 56 products in their lineup. They hold 4 verified certifications including Usp Verified, Informed Choice, USDA Organic, Gluten-Free Certified. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Kirkland Signature has 3 historical regulatory incidents on record, which are factored into the trust score.
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