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Vitamin D3

product on market Capsule Nature's Way 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 its role in maintaining bone health and supporting immune function. Research indicates it facilitates calcium absorption in the gut to maintain skeletal integrity. The evidence for these primary functions is well-established across clinical literature.

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

Label

Product Label

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

Label Data

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

Supplement Facts — Evidence Check

10 mcg (50% DV)
Within RDA (0.7× RDA) 608 studies (A:16, B:251)

Other Ingredients

Cellulose Gelatin
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Recommendation: Take 1 capsule daily, preferably with food.

Warnings & Precautions

If you are pregnant, nursing, or taking any other medications, consult a healthcare professional before use.

Keep out of reach of children.

Safety sealed with printed inner seal. Do not use if seal is broken or missing.

Formulation Notes

Supports healthy bones & immune function

Vitamin D3 helps boost calcium absorption for healthy bones and teeth, as well as supports immune system function. Our Vitamin D3 is carefully tested and produced to superior quality standards.

Dry form

400 IU (10 mcg) per serving

Gluten free. No salt, yeast-derived ingredients, wheat, soy, dairy, or artificial colors, flavors, or preservatives.

Additional Information

Nature’s Way Since 1969

Keep bottle tightly closed. Store at room temperature. Avoid excessive heat and direct sunlight.

Bottles made from 97% post-consumer recycled plastic

Quality Global Sourcing Bottled & Tested In the USA

Metadata

Product Details

UPC / SKU0 33674 40141 5
DSLD Entry Date2021-03-25
Product TypeVitamin
FormCapsule
BrandNature's Way
DSLD ID246219
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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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.