High Potency Vitamin D-3 1000 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

• 

  Now Vitamin D 3 IU

  Walmart4.8(128000)

  $10.00
• 

  Now Foods Vitamin D 3 1000 IU

  Walmart - Highland Health Foods4.9(3700)

  $9.99
• 

  NOW Foods Vegetarian Dry Capsules

  PureFormulas.com4.7(1300)

  $6.42
• 

  NOW Foods Chewables with Vitamin D-3

  NOW4.9(3500)

  $11.99
• 

  (2 pack) NOW Supplements, Vitamin D-3 1,000 IU, Natural Fruit Flavor, Structural Support*, 180 Chewables, Pink

  Walmart - Fruitful Yield4.9(3500)

  $21.04
• 

  NOW Chewable Tablets

  Cash Wise4.9(12)

  $8.49
• 

  Now Foods Extra Strength Liquid Vitamin D-3

  Vitacost.com4.8(7100)

  $8.60
• 

  Vitamin D-3 1000 IU

  NOW4.9(36)

  $12.79

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.

• The Vitamin Shoppe

  4.3 (199)

  Vitamin & supplements store

  385 S Colorado Blvd, Denver, CO 80246

  Directions(303) 321-0379

• Walmart Supercenter

  3.8 (7025)

  Clothing store

  601 Englewood Pkwy, Englewood, CO 80110

  Directions(303) 789-7201

• Walmart Supercenter

  3.7 (5762)

  Clothing store

  2770 W Evans Ave, Denver, CO 80219

  Directions(303) 222-7043

• Walmart Supercenter

  3.7 (9478)

  Clothing store

  7800 Smith Rd, Denver, CO 80207

  Directions(720) 941-0411

• Walmart Supercenter

  3.8 (6860)

  Clothing store

  9901 Grant St, Thornton, CO 80229

  Directions(303) 451-1003

• Walmart Supercenter

  3.8 (8889)

  Clothing store

  9400 E Hampden Ave, Denver, CO 80231

  Directions(720) 748-1000

• Walmart Supercenter

  3.7 (4902)

  Clothing store

  7700 W Quincy Ave, Littleton, CO 80123

  Directions(303) 971-0321

• Walmart Supercenter

  3.8 (5957)

  Clothing store

  5957 W 44th Ave, Wheat Ridge, CO 80212

  Directions(303) 222-4455

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

  ST Haines, SK Park - Pharmacotherapy: The Journal of Human …, 2012 - Wiley Online Library

  … indications for vitamin D supplementation now appear in peer-… Vitamin D 3 is synthesized in the skin by ultraviolet B … controlled trials again found that vitamin D 700–1000 IU/day had a …

  2012163 citations

• Vitamin D3 Supplementation: Comparison of 1000 IU and 2000 IU Dose in Healthy Individuals

  E Dědečková, R Viták, M Jirásko, M Králová… - Life, 2023 - mdpi.com

  … /L has been considered critical for several decades now and a patient presenting with these … Our results show that a daily dose of either 1000 IU or 2000 IU of vitamin D 3 is an adequate …

  202320 citations

• Vitamin D: 100 years of discoveries, yet controversy continues

  JC Gallagher, CJ Rosen - The lancet Diabetes & endocrinology, 2023 - thelancet.com

  … ergosterol produces ergocalciferol, now named vitamin D 2 , … , 66 or daily doses of 2000 IU 67 and 1000 IU. There was no … We selected controlled trials of vitamin D 3 and D 2 that were …

  2023125 citations

• Vitamin D: a growing perspective

  S Kimball, GEH Fuleihan, R Vieth - Critical reviews in clinical …, 2008 - Taylor & Francis

  … bone health, with suggested intakes of vitamin D3 up to 25 μ g (1,000 IU)/day ( Table 1 ).… priorities were generated, from which we now have more data, and consequently there is a …

  2008222 citations

• The IOM—endocrine society controversy on recommended vitamin D targets: in support of the endocrine society position

  R Vieth, MF Holick - Vitamin D, 2018 - Elsevier

  … Although the IOM did not base its 50 nmol/L (20 ng/mL) threshold for serum 25(OH)D for musculoskeletal health on randomized clinical trials (RCTs), advocates of the IOM position now …

  201877 citations

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

  M Kralova, M Jirasko, E Dedeckova, H Hatakova… - in vivo, 2025 - iv.iiarjournals.org

  … 1,000 IU/… IU/day maintained average serum vitamin D levels within the recommended range even after a 30-day break. Supplementation with higher doses of 4,000 IU/day and 8,000 IU/…

  20256 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 2025-07-24. DSLD Label ID: 335246. 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.