Vitamin D 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 per day

Not Present

• 

  DC Labs Vitamin D 400 IU

  EarthTurns.com

  $6.38
• 

  Spring Valley Vitamin D3 Softgels

  Walmart4.6(5400)

  $4.88
• 

  Pure Encapsulations Vitamin D3 IU

  Target4.8(1200)

  $18.50
• 

  Solgar Vitamin D3 IU

  PureFormulas.com4.8(945)

  $11.02
• 

  Baby Ddrops Liquid Vitamin D3 400 IU Drops

  Instacart4.8(4800)

  $12.99
• 

  Now Vitamin D 3 IU

  Swanson Health Products4.8(2000)

  $6.19
• 

  Major 400IU Tablets

  CWI Medical4.0(3)

  $1.95
• 

  Sundance High Potency D3 Tablets

  Walmart - Natures Truth LLC5.0(2)

  $5.99

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.

• R Supplements LTD

  5.0 (89)

  Vitamin & supplements store

  27 Colinglen Rd, Dunmurry, Belfast BT17 0LR, United Kingdom

  Directions+44 7857 830493

• Herbafit B.V.

  4.8 (104)

  Vitamin & supplements store

  Euroweg 35, 3825 HA Amersfoort, Netherlands

  Directions+31 33 476 6105

• The Vitamin Shoppe

  4.4 (103)

  Vitamin & supplements store

  2100 88th St F4, North Bergen, NJ 07047

  Directions(201) 758-0404

• Pro D3

  5.0 (2)

  Vitamin & supplements store

  Synergy Biologics, The Stamp Factory, 16 Wednesbury Rd, Walsall WS1 3QY, United Kingdom

  Directions+44 1922 705107

• HAVI Health and Food LTD

  Vitamin & supplements store

  Unit 5, 8 Lyon Way, Greenford UB6 0BN, United Kingdom

  Directions+44 7718 823366

• Be Vitamin Health Food Store

  5.0 (27)

  Vitamin & supplements store

  4500 Bergenline Ave # A, Union City, NJ 07087

  Directions(201) 590-9991

• Getfit Shop

  4.5 (64)

  Vitamin & supplements store

  Strada Cuza Vodă 58, 030167 București, Romania

  Directions+40 735 530 450

• Bioslo Pharma

  3.5 (13)

  Vitamin & supplements store

  Strada Alba Iulia 75, Chișinău, Moldova

  Directions+373 621 00 281

• Long-term supplementation with 3200 to 4000 IU of vitamin D daily and adverse events: a systematic review and meta-analysis of randomized controlled trials

  A Zittermann, C Trummer, V Theiler-Schwetz… - European Journal of …, 2023 - Springer

  … dietary vitamin D intake also contributes to total daily vitamin D … vitamin D, we also accepted trials using daily supplemental … (400 IU/d) vitamin D, a supplement of 3200–4000 IU vitamin …

  202358 citations

• Is daily 400 IU of vitamin D supplementation appropriate for every country: a cross-sectional study

  H Onal, E Adal, S Alpaslan, A Ersen, A Aydin - European journal of …, 2010 - Springer

  … In this study, we found that 400 IU of daily vitamin D intake was insufficient to obtain the optimal vitamin D status or even to prevent rickets in fully breastfed children in Turkey. Further …

  201045 citations

• One hundred years after Vitamin D discovery: Is there clinical evidence for supplementation doses

  S Ghanaati, J Choukroun, U Volz, R Hueber… - Int J Growth Factors …, 2020 - academia.edu

  … , we recommend a Vitamin D supplementation based on … oral Vitamin D intake of 10,000 IU/day, 5000 IU/day, and 1000 IU/… infants 400 IU/day, for all other groups, 800 IU/day Vitamin D …

  202027 citations

• Hip bone loss is attenuated with 1000 IU but not 400 IU daily vitamin D3: a 1‐year double‐blind RCT in postmenopausal women

  HM Macdonald, AD Wood, LS Aucott… - Journal of bone and …, 2013 - academic.oup.com

  … vitamin D supplementation trials exist that match seasonal changes. The aim of this study was to determine whether daily oral vitamin D 3 at 400 IU or 1000 IU … two doses of vitamin D or …

  2013105 citations

• Vitamin D Status and Response to Daily 400 IU Vitamin D3 and Weekly Alendronate 70 mg in Men and Women with Osteoporosis

  AC Karaplis, F Chouha, M Djandji… - Annals of …, 2011 - journals.sagepub.com

  … vitamin D3 400 IV once daily with a meal. They were warned to never take alendronate and vitamin D3 … For patients who had received 400ill or less of vitamin D3 prior to studyentry, the …

  201112 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

• 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 2022-02-23. DSLD Label ID: 266142. 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.