Solgar Vitamin D3 1000 IU supplement bottle
Solgar

Vitamin D3 1000 IU

What We Researched
1 active ingredient analyzed · 15 inactive ingredients decoded · 2 brand certifications checked · Last updated: Mar 2026
100
Product Score Excellent
66
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin D3 1000 IU
Bioavailability Excellent

Absorption Rating

  • Vitamin D3 Good
Other Ingredients Excellent

Fillers & Additives

  • Saccharose
  • Fructose
  • Xylitol
  • Cellulose, Microcrystalline
  • Amidon
  • Dextrose
  • Maltodextrine
  • Vegetable Stearic Acid
  • Dioxyde de silicium
  • Stearate de magnésium végétal
  • Arome de banane
  • Mannitol
  • Acide
  • Magnésium végétal
  • Arôme naturel de cerise
Efficacy Excellent

Dosage Analysis

  • Vitamin D3 1000 IU Effective

Supplement Facts

Ingredient Amount % Daily Value
Vitamin D3 1000 IU

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Saccharose Unknown
Fructose Generally_safe

It is used as a sweetener.

Xylitol Safe

Provides sweetness with reduced calorie content. Does not promote tooth decay.

Cellulose, Microcrystalline Unknown
Amidon Unknown
Dextrose Generally_safe

It is used as a filler, sweetener, or to improve the flow of powders.

Maltodextrine Unknown
Vegetable Stearic Acid Generally_safe

It is used to prevent ingredients from sticking to manufacturing equipment.

Dioxyde de silicium Unknown
Stearate de magnésium végétal Unknown
Arome de banane Unknown
Mannitol Generally_safe

It is used as a sweetener, filler, and flow agent.

Acide Unknown
Magnésium végétal Unknown
Arôme naturel de cerise Unknown
Brand Trust Report
Solgar

Founded 1947 · Leonia, New Jersey, United States · 295 products · solgar.com

Certifications

2 certifications
Halal Certified Verified Source
Kosher Certified Verified Source

Transparency

2 claims
Third Party Testing Claim — Claimed
In House Testing — Verified Source
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Frequently Asked Questions
Is Solgar Vitamin D3 1000 IU a good supplement?

Solgar Vitamin D3 1000 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 Of the 15 inactive ingredients, 1 are rated safe and 0 are flagged for review. The manufacturer, Solgar, holds a brand trust score of 66/100 with 2 verified certifications including Halal Certified, Kosher Certified.

What are the ingredients in Solgar Vitamin D3 1000 IU?

Solgar Vitamin D3 1000 IU contains 1 active ingredients: Vitamin D3 (1000 IU). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Solgar Vitamin D3 1000 IU safe to take?

Solgar Vitamin D3 1000 IU 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 Solgar a trustworthy supplement brand?

Solgar receives a brand trust score of 66/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1947 and headquartered in Leonia, New Jersey, United States, the company offers 295 products in their lineup. They hold 2 verified certifications including Halal Certified, Kosher Certified. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. No regulatory violations or FDA warning letters were found in our research.

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.