Vitamin D3 250 mcg (10000 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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  Sports Research Vitamin D3

  Sports Research4.8(561)

  $14.95
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  Sports Research Vitamin D3 with Coconut Oil

  Sports Research4.8(1100)

  $15.95
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  Sports Research Vitamin D3 + K2

  Sports Research4.8(13000)

  $23.95
• 

  Sports Research

  Sports Research

  $44.95
• 

  Sports Research Coconut Oil Softgels

  iHerb4.8(436)

  $9.97
• 

  Vitamin D3 10000 IU (250 mcg) - 500 Softgels

  Target4.8(77)

  $13.99
• 

  Sports Research Vegan Softgels

  Sports Research4.8(1200)

  $15.95
• 

  Sports Research Vegan D3 + K2 Gummy Supplements

  Sports Research4.6(73)

  $24.95

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• Effects of vitamin D supplementation on serum 25-hydroxyvitamin D concentrations and physical performance in athletes: a systematic review and meta-analysis of …

  …, A Koziarz, S Jamshidi, OR Ayeni, D Peterson… - Sports Medicine, 2017 - Springer

  … of vitamin D to cause vitamin D toxicity and hypercalcemia. In terms of the daily vitamin D intake … cut-off for adults aged 19–70 years with an upper limit of 10,000 IU [17] was used for …

  2017113 citations

• Vitamin D sources, metabolism, and deficiency: available compounds and guidelines for its treatment

  LJ Dominguez, M Farruggia, N Veronese… - Metabolites, 2021 - mdpi.com

  … the prominent prevalence of vitamin D deficiency across different athletic disciplines. A … , treatment with vitamin D3 for 3 years at doses of 4000 IU/day or 10,000 IU/day vs. 400 IU/day …

  2021436 citations

• Effects of vitamin D3 supplementation for 12 weeks on serum levels of anabolic hormones, anaerobic power, and aerobic performance in active male subjects: A …

  A Ramezani Ahmadi, M Mohammadshahi… - … journal of sport …, 2020 - Taylor & Francis

  … vitamin D3 that was used in this study was in line with the Endocrine Society recommendation (1500–2000 IU/day for adults) to maintain serum 25-OH-D … Although the present study did …

  202037 citations

• The effects of vitamin D3 supplementation on serum total 25 [OH] D concentration and physical performance: a randomised dose–response study

  GL Close, J Leckey, M Patterson, W Bradley… - British journal of sports …, 2013 - bjsm.bmj.com

  … effect of 25[OH]D concentration on muscle function in … study were to (1) investigate two doses of vitamin D supplementation (20 000 vs 40 000 IU/week vs placebo) on serum 25[OH]D …

  2013265 citations

• The vitamin D requirement in health and disease

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

  … set at 2000 IU (50 μg)/day, is too low to permit optimization of Vitamin D status in … 250 nmol/L, a value that would be produced only at continuing oral intakes in excess of 10,000 IU (250 …

  2005619 citations

• Benefit–risk assessment of vitamin D supplementation

  HA Bischoff-Ferrari, A Shao, B Dawson-Hughes… - Osteoporosis …, 2010 - Springer

  … studies, we include data on serum calcium levels with any reported 25(OH)D level from case reports of vitamin D … 1) with oral doses of vitamin D of less than 10,000 IU vitamin D per day …

  2010539 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 2025-04-24. DSLD Label ID: 326294. 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.