Vitamin D3 100 mcg (4000 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.

Serving Size: 2 Softgel(s) · 1 per day

Not Present

• 

  NatureWise Vitamin D3

  Target4.7(6900)

  $8.99
• 

  Carlson Vitamin D3 IU

  Walmart - Carlson Labs4.9(4400)

  $30.60
• 

  Sports Research Vitamin D3 with Coconut Oil

  Sports Research4.8(2200)

  $17.95
• 

  Vitamin D3 2000

  ProCaps Laboratories

  $13.90
• 

  Vitacost Vitamin D3

  Vitacost.com4.8(538)

  $4.19Lowest
• 

  Thorne Research Vitamin D3 Liquid Supplement

  Thorne4.4(24)

  $24.00
• 

  Carlson Super Daily D3 4000 IU

  Walmart - Carlson Labs4.8(354)

  $16.26
• 

  Solgar Vegetable Capsules

  cosmetis.com4.8(3000)

  $20.40

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.

• Chelsea Health Store

  4.5 (28)

  Health food shop

  400 King's Rd, London SW10 0LJ

  Directions020 7352 4663

• Benefits and requirements of vitamin D for optimal health: a review

  WB Grant, MF Holick - Altern Med Rev, 2005 - anaturalhealingcenter.com

  … A study based on the National Health and Nutrition Examination Survey (NHANES) III found … of the effects of the vitamin D3 adequate intake versus 100 mcg (4000 IU) per day on …

  2005895 citations

• Vitamin D daily-Evolution: 4,000 IU, Government: 800 IU–Veith

  R VIETH - Anticancer Research, 2022 - vitad.org

  … per-day minimum total input of vitamin D3 from sunshine/UVB … /or vitamin supplementation of at least 4,000 IU/d (100 mcg/d) … vitamin D nutrition in relation to health is the fact that official …

  2022

• Vitamin D: evidence-based health benefits and recommendations for population guidelines

  WB Grant, SJ Wimalawansa, P Pludowski, RZ Cheng - Nutrients, 2025 - mdpi.com

  … with 2000 IU/day (50 mcg/day) of vitamin D 3 , which prevent … 4000 and 6000 IU of vitamin D 3 to achieve serum 25(OH)D … vitamin D treatment arm were given 4000 IU/day of vitamin D 3…

  2025177 citations

• Why the optimal requirement for Vitamin D3 is probably much higher than what is officially recommended for adults

  R Vieth - The Journal of steroid biochemistry and molecular …, 2004 - Elsevier

  … D3 [25(OH)D; the measure of Vitamin D nutrient status] … modern adults, and effect of 100 mcg Vitamin D 3 per day. The … without clothing, early Vitamin D nutrition would have been similar …

  2004460 citations

• The vitamin D requirement in health and disease

  RP Heaney - The Journal of steroid biochemistry and molecular …, 2005 - Elsevier

  … Advances in Vitamin D nutritional physiology since publication of the DRIs in 1997 are … a daily metabolic utilization of ∼75–100 μg (3000–4000 IU), the vast majority of which had to …

  2005619 citations

• Comparison of vitamin D3 supplementation doses of 1,000, 2,000, 4,000 and 8,000 IU in young healthy individuals

  …, H Hatakova, P Broz, V Simanek, D Slouka… - in vivo, 2025 - iv.iiarjournals.org

  … Foods rich in vitamin D3 include fish oil and eggs, while … units (IU) or in micrograms (μg), with 1 IU equaling 0.025 μg of … With 4,000 IU vitamin D supplementation, the average …

  20256 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2020-07-23. DSLD Label ID: 229628. 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.