Vitamin D3 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.

Serving Size: 1 Capsule(s) · 1 per day

Not Present

• 

  Vitamin D3 (1,000 IU)

  SFI Health

  $12.99
• 

  Nature Made Vitamin D3 IU

  Target4.7(5000)

  $12.39
• 

  Pure Encapsulations Vitamin D3 IU

  Pure Prescriptions4.8(1200)

  $14.50
• 

  Andrew Lessman 1000 Plus Calcium Capsules

  ProCaps Laboratories

  $14.90
• 

  Geri-Care Tablets

  VitalityMedical.com5.0(2)

  $2.92
• 

  NUelation Kids 1000IU 90 Day Supply Gummies

  Walmart - FitSups

  $18.99
• 

  Softgel with D-3 1,000IU

  Zen Supplements

  $14.99
• 

  Now Vitamin D 3 IU

  Muscle & Strength4.8(128000)

  $7.99

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• Vitamin D metabolism and guidelines for vitamin D supplementation

  I Ramasamy - The Clinical Biochemist Reviews, 2020 - pmc.ncbi.nlm.nih.gov

  … vitamin D intake which vary from 400–1000 IU/d (10–25 μg/d) for an average adult. It was not possible to establish a range of serum 25(OH)D … vitamin D, 9 and may vary with nutritional …

  2020273 citations

• Evaluation of vitamin D3 intakes up to 15,000 international units/day and serum 25-hydroxyvitamin D concentrations up to 300 nmol/L on calcium metabolism in a …

  SM Kimball, N Mirhosseini, MF Holick - Dermato-endocrinology, 2017 - Taylor & Francis

  Full article: Evaluation of vitamin D3 intakes up to 15,000 international units/day and serum 25-hydroxyvitamin D concentrations up to 300 nmol/L on calcium metabolism in a community …

  201791 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 … Food and Nutrition Board …

  2013105 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

  … a daily dose of either 1000 IU or 2000 IU of vitamin D 3 is an adequate choice for maintaining sufficient vitamin D levels during the winter months. A daily dose of 2000 IU was, however, …

  202320 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

  … of 1,000 IU/day was sufficient to raise the average [25(OH)D] … of 2,000 IU/day maintained average serum vitamin D levels … higher doses of 4,000 IU/day and 8,000 IU/day resulted in a …

  20256 citations

• Effects of 1,25-Dihydroxyvitamin D3 and Vitamin D3 on the Expression of the Vitamin D Receptor in Human Skeletal Muscle Cells

  RM Pojednic, L Ceglia, K Olsson, T Gustafsson… - Calcified tissue …, 2015 - Springer

  … One mechanism proposed is by way of a vitamin D effect on calcium and … cells report that the actions of vitamin D are also mediated by the VDR located within skeletal muscle cells [5–10…

  2015121 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 2018-01-25. DSLD Label ID: 82934. 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.