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Nature Made Adult Chewable D3 1000 IU Delicious Grape Flavor supplement bottle
Nature Made

Adult Chewable D3 1000 IU Delicious Grape Flavor Review

What We Researched
1 active ingredient analyzed · 14 inactive ingredients decoded · 5 brand certifications checked · Page generated: Sep 2026
98
Product Score Excellent
95
Brand Score Excellent

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 (as Cholecalciferol) 1000 IU 250%
Bioavailability Excellent

Absorption Rating

  • Vitamin D3 (as Cholecalciferol) Good
Other Ingredients Excellent

Fillers & Additives

  • Sorbitol
  • Maltodextrin
  • Citric Acid
  • Silicon Dioxide
  • Sugar
  • Stearic Acid
  • Corn Starch
  • Magnesium Stearate
  • Red 40 Lake Low
  • Modified Food Starch
  • Blue 2 Lake
  • Natural and Artificial Flavors
  • Sucralose
  • Soy Lecithin
Efficacy Excellent

Dosage Analysis

  • Vitamin D3 (as Cholecalciferol) 1000 IU Effective

Supplement Facts

Ingredient Amount % Daily Value
Vitamin D3 (as Cholecalciferol) 1000 IU 250%

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Sorbitol Safe

Provides sweetness and helps retain moisture in chewables.

Maltodextrin Generally_safe

Helps carry and stabilize active ingredients. Provides bulk.

Citric Acid Safe

Adds tartness and acts as a natural preservative. Also aids in ingredient stability.

Silicon Dioxide Safe

Prevents clumping and ensures consistent dosing.

Sugar Generally_safe

Adds sweetness to chewable or gummy supplements.

Stearic Acid Safe

Helps ingredients flow smoothly through manufacturing equipment.

Corn Starch Generally_safe

It is used as a filler, binder, or thickener.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Red 40 Lake Caution

It is used to add color to the supplement.

Modified Food Starch Generally_safe

It is used as a filler, binder, or thickener in supplements.

Blue 2 Lake Generally_safe

It is used to provide a blue color to supplements.

Natural and Artificial Flavors Generally_safe

It is used to improve the taste of the product.

Sucralose Generally_safe

Adds sweetness to chewables, gummies, and powdered supplements without calories.

Soy Lecithin Safe

Helps blend oil and water-based ingredients. Common allergen.

Brand Trust Report
Nature Made

Founded 1971 · West Hills, California, USA · 701 products · naturemade.com

Certifications

5 certifications
Consumerlab Source available Primary evidence
Labdoor Source available Primary evidence
Usp Verified Source available Primary evidence
Fda Gmp Inspections Source available Primary evidence
NSF Certified Supporting evidence unavailable

Transparency

5 claims
Third Party Testing Claim — Verified Evidence available Evidence
Coa Availability — Claimed Evidence available Evidence
In House Testing — Verified Evidence available Evidence
Testing Lab Disclosure — True Brand claim; evidence unavailable

Violation History

2 incidents
Lawsuit Presence of toxic plastic chemicals in prenatal multivitamins.2025 Source available Primary source
Recall Specific lots of Nature Made Adult Gummies Multi, Multi + Omega-3, Multi for Her plus Omega-3s, and Super B Complex w/C & Folic Acid2016-06-15 Source available Primary source
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Frequently Asked Questions
Is Nature Made Adult Chewable D3 1000 IU Delicious Grape Flavor a good supplement?

Nature Made Adult Chewable D3 1000 IU Delicious Grape Flavor received a product quality score of 98/100 in GoodSupp's independent analysis, placing it in the top tier of supplements we've analyzed. The product contains 1 active ingredients Of the 14 inactive ingredients, 13 are rated safe and 1 ingredient is flagged for review. The manufacturer, Nature Made, holds a brand trust score of 95/100.

What are the ingredients in Nature Made Adult Chewable D3 1000 IU Delicious Grape Flavor?

Nature Made Adult Chewable D3 1000 IU Delicious Grape Flavor contains 1 active ingredients: Vitamin D3 (as Cholecalciferol) (1000 IU). 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 Nature Made Adult Chewable D3 1000 IU Delicious Grape Flavor safe to take?

GoodSupp reviewed the inactive-ingredient data available for Nature Made Adult Chewable D3 1000 IU Delicious Grape Flavor. Of 14 inactive ingredients, 13 are rated safe. 1 ingredient is flagged for review: Red 40 Lake. 'Caution' doesn't mean dangerous — it indicates the ingredient has some considerations worth being aware of, such as potential sensitivities or ongoing research. This label analysis cannot determine whether the product is safe for a particular person, and source labels may change. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is Nature Made a trustworthy supplement brand?

Nature Made receives a brand trust score of 95/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1971 and headquartered in West Hills, California, USA, the company offers 701 products in their lineup. Note: Nature Made has 2 historical regulatory incidents on record, which are factored into the trust score.

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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.