Vitamin D3 1000 IU (25 mcg)®

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

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  Carlson Vitamin D3 IU

  Walmart4.9(4400)

  $6.97
• 

  Carlson Super Daily D3 IU

  Target4.9(2300)

  $14.45
• 

  Carlson 1000IU Softgels

  Village Vitamin Store5.0(2)

  $9.15
• 

  Carlson A & D 25000 IU & 1000 IU

  Carlson Labs4.8(110)

  $11.90
• 

  Carlson Labs Super D3 120 Gummies

  iHerb4.9(150)

  $16.92
• 

  Carlson Labs Adult 60 Gummies

  Vitacost.com4.9(604)

  $12.67
• 

  Carlson Labs A & D Softgels

  Walmart - iHerb4.8(56)

  $21.38
• 

  Carlson Kid's Super Daily D3+K2

  iHerb4.9(4200)

  $25.42

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

• Sunlight, vitamin D and health: A D-lightful story

  MF Holick - The Norwegian Academy of Science and Letters, 2008 - researchgate.net

  … vitamin D for most humans. In the absence of sun exposure, at least 25 µg (1,000 IU) of vitamin D3 … Sea contained approximately 1.0 microgram of ergosterol per gram wet weight (5). …

  200838 citations

• Estimates of optimal vitamin D status

  B Dawson-Hughes, RP Heaney, MF Holick… - Osteoporosis …, 2005 - Springer

  … of at least 20 to 25 mcg (800 to 1,000 IU) per day of vitamin D 3 to reach a serum 25(OH)D level … that if older men and women maintain serum levels of 25(OH)D that are higher than the …

  20052,740 citations

• Relationship between vitamin D during perinatal development and health

  J Kaludjerovic, R Vieth - Journal of midwifery & women's health, 2010 - Wiley Online Library

  … This may be because vitamin D3 has a stronger affinity for vitamin … 1000 IU per day (25 mcg/day) may be needed during pregnancy and lactation to achieve adequate levels of serum 25…

  2010121 citations

• The One-Hundred-Year Anniversary of the Discovery of the Sunshine Vitamin D3: Historical, Personal Experience and Evidence-Based Perspectives

  MF Holick - Nutrients, 2023 - mdpi.com

  … However, studies by Carlsson demonstrated that vitamin D, rather than stimulating the direct deposition of … I recovered 25 mcg that was identified as 25-hydroxyvitamin D 3 (25(OH)…

  202397 citations

• Vitamin D3 supplementation modulates inflammatory responses from the muscle damage induced by high-intensity exercise in SD rats

  M Choi, H Park, S Cho, M Lee - Cytokine, 2013 - Elsevier

  … vitamin D status and diseases such as cancer, arthritis, diabetes, and muscle fiber atrophy. However, the relationship between vitamin D and … the effects of vitamin D on exercise-…

  2013149 citations

• Vitamin D3 Supplementation at 4000 International Units Per Day for One Year Results in a Decrease of Positive Cores at Repeat Biopsy in Subjects with Low-Risk …

  DT Marshall, SJ Savage, E Garrett-Mayer… - The Journal of …, 2012 - academic.oup.com

  … Exclusion criteria were the following: any concurrent malignancy, except nonmelanoma skin cancer; history of sarcoidosis; vitamin D 3 supplementation at 1000 IU/d or greater; history …

  2012192 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 2020-03-24. DSLD Label ID: 216402. 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.