Carlson Vitamin D3, 25 mcg (1000 IU), 360 Soft Gels supplement bottle
Carlson

Vitamin D3, 25 mcg (1000 IU), 360 Soft Gels

What We Researched
1 active ingredient analyzed · 2 inactive ingredients decoded · 6 brand certifications checked · 2 retailers compared · Last updated: Mar 2026
100
Product Score Excellent
84
Brand Score Good

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin D (as cholecalciferol) (1,000 IU) 25 mcg 125%
Bioavailability Excellent

Absorption Rating

  • Vitamin D (as cholecalciferol) (1,000 IU) Good
Other Ingredients Excellent

Fillers & Additives

  • Sunflower Oil
  • Soft Gel Shell (Bovine Gelatin, Glycerin, Water)
Efficacy Excellent

Dosage Analysis

  • Vitamin D (as cholecalciferol) (1,000 IU) 25 mcg Effective

Supplement Facts

Ingredient Amount % Daily Value
Vitamin D (as cholecalciferol) (1,000 IU) 25 mcg 125%

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Sunflower Oil Safe

Helps dissolve and absorb fat-soluble vitamins.

Soft Gel Shell (Bovine Gelatin, Glycerin, Water) Safe

It is used to encapsulate liquid or oil-based supplements.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$23$22$21$20$19 Mar 12 $20.83
iHerb

Prices shown at time of last check. Click a retailer to see current price. GoodSupp is not affiliated with any retailer.

Brand Trust Report
Carlson

Founded 1965 · Arlington Heights, Illinois, United States · 378 products · carlsonlabs.com/

Certifications

6 certifications
Consumerlab Verified Source
Labdoor Verified Source
Non Gmo Project Verified Source
Fda Gmp Inspections Verified Source
Usda Organic Verified Source
Vegan Certified Verified Source

Transparency

3 claims
Third Party Testing Claim — Verified Source
Testing Lab Disclosure — Claimed Source

Violation History

4 incidents
Prop 65 Lead and lead compounds2024-02-05Source
Lawsuit Aloe Vera Gel products contained no detectable amount of aloe vera.2017Source
Prop 65 Retinol/Retinyl Esters2014-04-25Source
Lawsuit Patent infringement and unfair competition regarding the flavoring of gelatin capsules.2007Source
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Frequently Asked Questions
Is Carlson Vitamin D3, 25 mcg (1000 IU) a good supplement?

Carlson Vitamin D3, 25 mcg (1000 IU), 360 Soft Gels 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 360 servings per container. All 2 inactive ingredients (fillers, binders, capsule materials) are rated safe — a clean formulation with no flagged additives. The manufacturer, Carlson, holds a brand trust score of 84/100 with 6 verified certifications including Consumerlab, Labdoor, Non Gmo Project, Fda Gmp Inspections.

What are the ingredients in Carlson Vitamin D3, 25 mcg (1000 IU)?

Carlson Vitamin D3, 25 mcg (1000 IU) contains 1 active ingredients: Vitamin D (as cholecalciferol) (1,000 IU) (25 mcg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Carlson Vitamin D3, 25 mcg (1000 IU) safe to take?

Carlson Vitamin D3, 25 mcg (1000 IU), 360 Soft Gels has been analyzed for ingredient safety across all its components. All 2 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 Carlson a trustworthy supplement brand?

Carlson receives a brand trust score of 84/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1965 and headquartered in Arlington Heights, Illinois, United States, the company offers 378 products in their lineup. They hold 6 verified certifications including Consumerlab, Labdoor, Non Gmo Project, Fda Gmp Inspections. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Carlson has 4 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 250,000 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. 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.