Vitamin D3 400 IU®

Objective insights generated automatically from the official DSLD label — a quick, factual read of how this product is formulated and disclosed.

This analysis is generated algorithmically from label data for educational reference only. It is not a product endorsement, ranking, or medical advice.

Allergen flags are parsed automatically from the official label's claims and statements. Always verify against the physical product label before use, especially if you have a severe allergy.

Serving Size: 1 Tablet(s) · 1–2 per day

Not Present

• 

  Pure Encapsulations Vitamin D3

  Pure For You4.8(1200)

  $18.50
• 

  GNP Vitamin D3 400 IU Supplement 100 tablets

  The Spa of Charleston5.0(1)

  $1.59Lowest
• 

  Natural Supreme Softgels

  Natural Nutra

  $16.95
• 

  Vitamin D3, 400 IU TABLET

  Amazon.com

  $5.40
• 

  Basic Vitamins Natural Vitamin D3 400 IU Tablets

  eBay - nutri_mart

  $14.26
• 

  Nature's Blend Vitamin D 400 IU

  Walmart - Thrifty White Health5.0(6)

  $8.50
• 

  Bluebonnet Vitamin D3 400 IU

  Instacart4.8(188)

  $8.89
• 

  GNP Chewable Tablets

  Pasteur Pharmacy

  $1.99

Enter your city or ZIP code to find supplement & health stores in your area that may carry this product.

Showing representative supplement & health retailers — search above for stores in your area.

• Mill Creek Natural Foods

  4.4 (65)

  Health food store

  4315 Main St A, Union Gap, WA 98903

  Directions(509) 452-5386

• Comparative analysis of nutritional guidelines for vitamin D

  R Bouillon - Nature Reviews Endocrinology, 2017 - nature.com

  … of rickets, has demonstrated that vitamin D (at a dose of 400 IU per day) can protect against … that >200–400 IU of vitamin D 3 or vitamin D 2 can prevent vitamin D deficiency-associated …

  2017633 citations

• Vitamin D: what is an adequate vitamin D level and how much supplementation is necessary?

  H Bischoff-Ferrari - Best practice & research Clinical rheumatology, 2009 - Elsevier

  … to the conclusion that vitamin D reduces the risk of … IU vitamin D per day, and fracture prevention required a received dose (treatment dose*adherence) of more than 400 IU vitamin D …

  2009195 citations

• Vitamin D supplementation: what's known, what to do, and what's needed

  ST Haines, SK Park - … Journal of Human Pharmacology and …, 2012 - Wiley Online Library

  … However, results from two randomized controlled trials included in the meta-analysis in which 3722 subjects received low doses (400 IU/day) of vitamin D showed no effect on fracture …

  2012163 citations

• Use of vitamin D in clinical practice

  JJ Cannell, BW Hollis - Alternative medicine review, 2008 - researchgate.net

  … The authors recommend parents supplement breast-fed infants with at least 800 IU of vitamin D daily, while formula fed infants need 400 IU per day. Infants and toddlers may be at …

  2008485 citations

• Sources of vitamin D for humans

  E Benedik - Int J Vitam Nutr Res, 2022 - api.imrpress.com

  … intake for vitamin D for infants aged 7–11 months at 10 μg/day (400 IU/day), and for children aged1–17years and adults, including pregnant and lactating women, at 15 μg/day (600 IU/…

  2022307 citations

• Efficacy and safety of vitamin D3 intake exceeding the lowest observed adverse effect level

  R Vieth, PCR Chan… - The American journal of …, 2001 - academic.oup.com

  … safety of prolonged vitamin D3 intakes of 25 and 100 g (1000 and 4000 IU)/d. Efficacy was … -hydroxyvitamin D [25(OH)D] concentration achieved by subjects taking vitamin D3; potential …

  2001913 citations

• Vitamin D: What the Label Numbers Mean

  How to read vitamin D amounts on a Supplement Facts panel, the IU-to-mcg conversion, and why %DV matters.

  VitaSuppTrack Editorial· Jun 24, 2026

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2016-03-24. DSLD Label ID: 57628. This information is provided for educational reference only and is not medical advice. Always follow the product label and consult a doctor or pharmacist before use.