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Vitamin D-3 1,000 IU

product on market Softgel Capsule NOW 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 D3 is supported by strong evidence for maintaining bone health and supporting immune function. This ingredient helps the body absorb calcium and phosphorus, which are critical for skeletal integrity. Research indicates it is generally safe and effective for addressing deficiencies.

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

Label

Product Label

Label for Vitamin D-3 1,000 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

Olive Oil Softgel Capsule
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

SUGGESTED USAGE: As a dietary supplement, take one softgel daily with a meal. Consider taking this product in combination with NOW(R) Vitamin A and Calcium supplements.

Formulation Notes

Contains no sugar, salt, starch, yeast, wheat, gluten, soy, milk, egg, shellfish or preservatives.

Additional Information

High Potency • Helps Maintain Strong Bones • Supports Dental Health*

GMP QUALITY ASSURED

Made in the U.S.A.

Store in a cool, dry place.

Please Recycle.

Vitamin D is normally obtained from the diet or produced by the skin from the ultraviolet energy of the sun. However, it is not abundant in food. As more people avoid sun exposure, Vitamin D supplementation becomes even more necessary to ensure that your body receives an adequate supply.

ACTUAL SIZE

STRUCTURAL SUPPORT

CODE 0363 V2

Metadata

Product Details

UPC / SKU7 33739 00363 8
DSLD Entry Date2012-10-01
Product TypeVitamin
FormSoftgel Capsule
BrandNOW
DSLD ID13838
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
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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.