Vitamin D3 2000 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

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  Sundown Naturals Vitamin D3 Softgels

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  $17.49
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  Sundown Naturals D3

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  $10.19
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  Sundown Vitamin D3 50 Mcg 2000iu ; Count 350 Softgels ; 2 Pack; Exp:

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  $20.99
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  Sundown Naturals Vitamin D3 2000IU Softgel Soft Gel 2000IU 350 By Nature's Bount

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  $15.09
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  2 Bottles Sundown By Gmo Vitamin D3 50mcg 2000iu 350 Softgels Ea- Exp

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  Sundown Vitamin D3 2000iu 50mcg 300 Softgels Bone Teeth Immune Heath

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• Vitamin D—is the sun enough for us?

  BM Gruber-Bzura - Nutrition & Metabolism, 2025 - Springer

  … into the RDA within the range of 400 IU – 2,000 IU/day, defined for the healthy population … is the conversion of previtamin D3 and vitamin D3, resulting from sun irradiated skin 7-DHC (…

  20254 citations

• Sunlight, tanning booths, and vitamin D

  HW Lim, BA Gilchrest, KD Cooper… - Journal of the American …, 2005 - Elsevier

  … 7 Furthermore, the vitamin D3 that is formed by thermal isomerization from pre-vitamin D3 is … circulation, the remaining vitamin D3 in the skin is degraded by further sun exposure. 8 In …

  2005124 citations

• Vitamin D: The “sunshine” vitamin

  R Nair, A Maseeh - Journal of pharmacology and …, 2012 - journals.sagepub.com

  … [7] In this review, we will focus on the biology of vitamin D and … the sun strikes the skin, and humans synthesize vitamin D3, … • 2000 IU/d for 6 weeks or 50,000 IU once weekly for 6 weeks …

  20121,502 citations

• Influence of Sunlight and Oral D3 Supplementation on Serum 25(OH)D Concentration and Exercise Performance in Elite Soccer Players

  MM Michalczyk, A Gołaś, A Maszczyk, P Kaczka… - Nutrients, 2020 - mdpi.com

  … of natural sun exposure and six weeks of a high dose of … 2000 IU cholecalciferol (Gold Vit D 3 , Olimp Labs, Poland), while the players from the PG consumed 3 capsules with 2000 UI of …

  202060 citations

• Use of vitamin D in clinical practice

  JJ Cannell, BW Hollis - Alternative medicine review, 2008 - researchgate.net

  … of vitamin D deficiency in otherwise healthy patients with 2,000-7,000 IU vitamin D3 per day … children who do not get regular sun exposure should take 1,000-2,000 IU daily year-round, …

  2008485 citations

• Effect of sun exposure versus oral vitamin D supplementation on serum 25-hydroxyvitamin D concentrations in young adults: A randomized clinical trial

  HK Joh, S Hwang, BL Cho, CS Lim, SE Jung - Clinical nutrition, 2020 - Elsevier

  … Enhanced sun exposure and 500 IU/d of oral vitamin D 3 supplementation significantly … However, our protocol for sun exposure was not as effective as 500 IU/d of oral vitamin D 3 …

  202030 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 2016-10-22. DSLD Label ID: 65678. 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.