Webber Naturals Vitamin D3 1000 IU tablet Mega Size supplement bottle
Webber Naturals

Vitamin D3 1000 IU tablet Mega Size Review

What We Researched
1 active ingredient analyzed · 4 inactive ingredients decoded · 1 brand certification checked · Last updated: Aug 2026
100
Product Score Excellent
64
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 D3 (Cholecalciferol) 1000 IU (25 mcg)
Bioavailability Excellent

Absorption Rating

  • Vitamin D3 (Cholecalciferol) Good
Other Ingredients Excellent

Fillers & Additives

  • Cellulose
  • Lactose monohydraté
  • Croscarmellose sodique
  • Stéarate de magnésium (végétal)
Efficacy Excellent

Dosage Analysis

  • Vitamin D3 (Cholecalciferol) 1000 IU (25 mcg) Effective

Supplement Facts

Ingredient Amount % Daily Value
Vitamin D3 (Cholecalciferol) 1000 IU (25 mcg)

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Cellulose Safe

Provides bulk and structure in tablets and capsules.

Lactose monohydraté Unknown
Croscarmellose sodique Unknown
Stéarate de magnésium (végétal) Unknown
Brand Trust Report
Webber Naturals

Founded 1948 · Coquitlam, British Columbia, Canada · 1 products · webbernaturals.com/

Certifications

1 certification
NSF Certified Verified

Transparency

4 claims
Third Party Testing Claim — Claimed Unverifiable Source
Testing Lab Disclosure — Claimed Unverifiable Source
In House Testing — Claimed Unverifiable Source

Violation History

1 incident
Recall Various multivitamins and supplements2024-07-26Source
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Frequently Asked Questions
Is Webber Naturals Vitamin D3 1000 IU tablet Mega Size a good supplement?

Webber Naturals Vitamin D3 1000 IU tablet Mega Size 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, 1 are rated safe and 0 are flagged for review. The manufacturer, Webber Naturals, holds a brand trust score of 64/100 with 1 verified certifications including NSF Certified.

What are the ingredients in Webber Naturals Vitamin D3 1000 IU tablet Mega Size?

Webber Naturals Vitamin D3 1000 IU tablet Mega Size contains 1 active ingredients: Vitamin D3 (Cholecalciferol) (1000 IU (25 mcg)). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Webber Naturals Vitamin D3 1000 IU tablet Mega Size safe to take?

Webber Naturals Vitamin D3 1000 IU tablet Mega Size 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 Webber Naturals a trustworthy supplement brand?

Webber Naturals receives a brand trust score of 64/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1948 and headquartered in Coquitlam, British Columbia, Canada, the company offers 1 products in their lineup. They hold 1 verified certifications including NSF Certified. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Webber Naturals has 1 historical regulatory incident 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.