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 Softgel(s) · 1 per day

Not Present

• 

  Dry D Non-oily-dry Tablets

  Wonder Laboratories5.0(1)

  $2.98
• 

  Spring Valley Vitamin D3 Softgels

  Walmart4.6(5400)

  $4.88
• 

  Rexall Tablets 400IU 100 ct

  Dollar General4.9(17)

  $4.50
• 

  Baby Ddrops Liquid Vitamin D3 400 IU Drops

  Instacart4.8(4800)

  $12.99
• 

  Major 400IU Tablets

  CWI Medical4.0(3)

  $1.95
• 

  (2 pack) Spring Valley Vitamin D3 Softgels,10 mcg (400 Iu), 200 Count, Supplement for Bone and Immune Health, Size: 200 Softgels

  Walmart4.6(5400)

  $8.28
• 

  Vitamin D3 IU

  My Nature's Delight

  $10.99
• 

  Vitamin D-3 400 IU - 180 Softgels

  remedythisnaturally.com

  $7.15

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.

• Walmart Supercenter

  3.8 (3611)

  Department store

  164 Camp Creek Pkwy, Gordonsville, VA 22942

  Directions(540) 832-1259

• Walmart Supercenter

  4.0 (2153)

  Department store

  135 Stoneridge Dr N, Ruckersville, VA 22968

  Directions(434) 990-6013

• Walmart Supercenter

  3.9 (3883)

  Department store

  975 Hilton Heights Rd, Charlottesville, VA 22901

  Directions(434) 973-1412

• Walmart Supercenter

  4.1 (1763)

  Department store

  2533 Germanna Hwy, Locust Grove, VA 22508

  Directions(540) 317-2185

• Vitamin D testing and treatment: a narrative review of current evidence

  S Pilz, A Zittermann, C Trummer… - Endocrine …, 2019 - pmc.ncbi.nlm.nih.gov

  … supplementation of 10 µg (400 IU) of vitamin D daily from birth to 12 months, and thereafter, vitamin D intakes through diet and … fail and is not a ‘wonder drug’ (160). Unfortunately, many …

  2019390 citations

• A review on vitamin d deficiency treatment in pediatric patients

  JY Lee, TY So, J Thackray - The Journal of Pediatric …, 2013 - jppt.kglmeridian.com

  … intake of 400 international units of vitamin D to prevent rickets and to maintain vitamin D … One may wonder is the decrease in serum vitamin D concentrations in children with asthma …

  2013221 citations

• Dietary reference intakes for calcium and vitamin D

  HB Del Valle, AL Yaktine, CL Taylor, AC Ross - 2011 - books.google.com

  … , and some readers of this report may also wonder, “What is that?” The process is … 400 International Units (IU) (10 µg) per day was adequate to maintain this level. The ULs for vitamin D …

  20115,086 citations

• Efficacy of daily 4,000 International Units (IU) versus 6,000 IU of oral vitamin D3 in vitamin D deficient children with overweight and obesity: An open-label randomized …

  P Setia, A Seth, R Singh, RK Malhotra, P Singh - Clinical Nutrition ESPEN, 2025 - Elsevier

  … Children with overweight/obesity are at increased risk of vitamin D deficiency. This study … International Units (IU)/day vs. 6000 IU/day oral vitamin D 3 over 12 weeks for treating vitamin D …

  20251 citations

• Interaction between vitamin D and calcium

  P Lips - Scandinavian journal of clinical and laboratory …, 2012 - Taylor & Francis

  … residents who received either vitamin D3 800 IU/day and … 2,578 elderly persons who received vitamin D3 400 IU/day or … I wonder if you could speculate on the way that calcium was …

  2012154 citations

• Power of Vitamin D: A Vitamin D Book That Contains the Most Scientific, Useful And Practical Information About Vitamin D-Hormone D

  S Zaidi - 2013 - books.google.com

  … I started to give my vitamin D deficient patients a dose of vitamin D higher than the … get vitamin D from the sun: Vitamin D is the “sunshine” vitamin. But are we getting enough vitamin D …

  201315 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 2021-11-19. DSLD Label ID: 260496. 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.