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D3 1000 IU

product on market Softgel Capsule Sundown Naturalist Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 100% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · grounded in 1 source · methodology

Vitamin D is supported by strong evidence for maintaining bone health and supporting immune function. Research indicates it plays a critical role in calcium absorption and skeletal mineralization. This formulation provides a standard dose to help prevent deficiency.

AI-generated summary based on research evidence. Not medical advice.

Label

Product Label

Label for D3 1000 IU
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Softgel(s)
Serving Size
Vitamin
Product Type
100%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

1000 IU (250% DV)
1.7× RDA — within safe limits 608 studies (A:16, B:251)

Other Ingredients

Soybean Oil Gelatin Glycerin Corn Oil
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

DIRECTIONS: FOR ADULTS, TAKE ONE (1) SOFTGEL UP TO TWO TIMES DAILY, PREFERABLY WITH MEALS.

Warnings & Precautions

WARNING: If you are pregnant, nursing, taking any medications or have any medical condition, consult your doctor before use.

Discontinue use and consult your doctor if any adverse reactions occur.

KEEP OUT OF REACH OF CHILDREN.

TAMPER RESISTANT: DO NOT USE IF SEAL UNDER CAP IS BROKEN OR MISSING.

Formulation Notes

This high-potency Vitamin D supplement also assists in maintaining a healthy immune system.

No yeast, wheat, gluten, milk or milk derivatives, lactose, sugar, preservatives, artificial color, artificial flavor, sodium.

Additional Information

100% QUALITY ASSURANCE LABORATORY TESTED

Supports Bone & Immune Health

IMPORTANT FACTS YOU SHOULD KNOW Vitamin D3 is an essential nutrient that works with Calcium to help develop strong bones and teeth.*

STORE AT ROOM TEMPERATURE AND AVOID EXCESSIVE HEAT.

Quality Guaranteed Lab Tested Laboratory tested to meet strict quality control standards for potency, purity and disintegration. 100% Quality Guaranteed.

Prod. No. 19935 04D B19934

ACTUAL SIZE

Metadata

Product Details

UPC / SKU0 30768 19934 0
DSLD Entry Date2016-08-24
Product TypeVitamin
FormSoftgel Capsule
BrandSundown Naturalist
DSLD ID63486
Data Updated2026-04-11
Research

Research Evidence

872
Research Sources
53
Avg Quality
309
Meta Analysis
309
Clinical Trial
111
Rct
71
Systematic Review
55
Guideline
4
Cochrane Review
4
Regulatory Source
2
Other
2
Narrative Review
2
Observational
1
Openfda Safety
A Vitamin D and vitamin D analogues for preventing fractures associated with involutional and post-menopausal osteoporosis
Meta Analysis The Cochrane database of systematic reviews 2009 PubMed DOI
A Vitamin D supplementation for prevention of mortality in adults
Meta Analysis The Cochrane database of systematic reviews 2014 PubMed DOI
A Vitamin D and vitamin D analogues for preventing fractures in post-menopausal women and older men
Meta Analysis The Cochrane database of systematic reviews 2014 PubMed DOI
A Vitamin D supplementation for prevention of cancer in adults
Meta Analysis The Cochrane database of systematic reviews 2014 PubMed DOI
A Interventions for preventing falls in older people in care facilities and hospitals
Meta Analysis The Cochrane database of systematic reviews 2018 PubMed DOI
A Drugs for preventing lung cancer in healthy people
Meta Analysis The Cochrane database of systematic reviews 2020 PubMed DOI
A Vitamin D supplementation for prevention of mortality in adults
Meta Analysis The Cochrane database of systematic reviews 2011 PubMed DOI
A High prevalence of vitamin D deficiency in Asia: A systematic review and meta-analysis
Meta Analysis Critical reviews in food science and nutrition 2023 PubMed DOI
A The effect of vitamin D supplementation on depressive symptoms in adults: A systematic review and meta-analysis of randomized controlled trials
Meta Analysis Critical reviews in food science and nutrition 2023 PubMed DOI
A Interventions for preventing falls in older people living in the community
Meta Analysis The Cochrane database of systematic reviews 2009 PubMed DOI
View all evidence for Vitamin D →
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Vitamin D research Best Vitamin D All Vitamin D products More from Sundown Naturalist View on NIH DSLD →

This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.