Vitafusion Vitamin D3 supplement bottle
Vitafusion

Vitamin D3 Review

What We Researched
1 active ingredient analyzed · 4 inactive ingredients decoded · 5 brand certifications checked · Last updated: Aug 2026
100
Product Score Excellent
78
Brand Score Fair

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
Vitamin D (as cholecalciferol) 75 mcg (3000 IU) 375%
Bioavailability Excellent

Absorption Rating

  • Vitamin D (as cholecalciferol) Good
Other Ingredients Excellent

Fillers & Additives

  • Glucose Syrup
  • Sugar
  • Water
  • Gelatin
Efficacy Excellent

Dosage Analysis

  • Vitamin D (as cholecalciferol) 75 mcg (3000 IU) Effective

Supplement Facts

Ingredient Amount % Daily Value
Vitamin D (as cholecalciferol) 75 mcg (3000 IU) 375%

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Glucose Syrup Generally_safe

It is used as a sweetener and binder.

Sugar Generally_safe

Adds sweetness to chewable or gummy supplements.

Water Safe

Dissolves and carries water-soluble ingredients.

Gelatin Safe

Forms the capsule shell that holds the supplement contents.

Brand Trust Report
Vitafusion

Founded 1995 · Ronkonkoma, NY, USA · 209 products · vitafusion.com/

Certifications

5 certifications
Consumerlab Verified Source
Labdoor Verified Source
Non Gmo Project Verified Source
Usda Organic Verified Source
USP Verified Verified

Transparency

3 claims
Third Party Testing Claim — Claimed
In House Testing — Claimed Source

Violation History

5 incidents
Recall Select Vitafusion gummy products (including Melatonin, Fiber Well, SleepWell, and MultiVites)2021-04-20Source
Recall Select Vitafusion gummy products (including Kids Melatonin, Fiber Well, SleepWell, MultiVites, and Melatonin)2021-04-20Source
Prop 65 Lead2018-08-17Source
Lawsuit Alleged that Vitafusion multivitamins contained unsafe and excessive levels of folate.2017Source
Lawsuit Supplements contained significantly more folate than indicated on the label, posing a potential health risk.2017Source
Related Supplements
Frequently Asked Questions
Is Vitafusion Vitamin D3 a good supplement?

Vitafusion Vitamin D3 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 Of the 4 inactive ingredients, 2 are rated safe and 0 are flagged for review. The manufacturer, Vitafusion, holds a brand trust score of 78/100 with 5 verified certifications including Consumerlab, Labdoor, Non Gmo Project, Usda Organic.

What are the ingredients in Vitafusion Vitamin D3?

Vitafusion Vitamin D3 contains 1 active ingredients: Vitamin D (as cholecalciferol) (75 mcg (3000 IU)). Notable high-dose ingredients include Vitamin D at 375% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Vitafusion Vitamin D3 safe to take?

Vitafusion Vitamin D3 has been analyzed for ingredient safety across all its components. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is Vitafusion a trustworthy supplement brand?

Vitafusion receives a brand trust score of 78/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1995 and headquartered in Ronkonkoma, NY, USA, the company offers 209 products in their lineup. They hold 5 verified certifications including Consumerlab, Labdoor, Non Gmo Project, Usda Organic. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Vitafusion has 5 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 150,000 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 — 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.