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.

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 Tablet(s) · 1 per day

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• ITL Health

  5.0 (37)

  Vitamin & Supplements Shop

  50 Broadway, London SW1H 0BL

  Directions0118 321 7628

• Nutriburst

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  Manufacturer

  8 Waterloo Pl, London SW1Y 4BN

  Directions020 3943 8201

• Prodentim

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  Vitamin & Supplements Shop

  72 Regent St., London W1B 4EN

  Directions028 6745 7567

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  71-75 Shelton St, London WC2H 9JQ

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• Vitopia

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  18 Wimpole St, London W1G 8GD

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• Protiv Nutrition

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  Vitamin & Supplements Shop

  3rd Floor, 207 Regent St., London W1B 3HH

  Directions07442 915758

• Indi Supplements

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  27 Old Gloucester St, London WC1N 3AF

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  26 Queenstown Rd, London SW8 3RX

  Directions0800 098 8888

• Targeted 25-hydroxyvitamin D concentration measurements and vitamin D3 supplementation can have important patient and public health benefits

  WB Grant, F Al Anouti, M Moukayed - European journal of clinical …, 2020 - nature.com

  … of the health benefits of higher 25-hydroxyvitamin D [25(OH)D] … that vitamin D reduces risk of many adverse health outcomes. … Thus, supplementing with 1000–2000 IU/day of vitamin D 3 …

  2020109 citations

• The health effects of vitamin D supplementation: evidence from human studies

  R Bouillon, D Manousaki, C Rosen… - Nature Reviews …, 2022 - nature.com

  … supplementation decreased the risk to progress to T2DM by about 10%, especially when using doses above 1,000 IU per day and in participants without obesity. Participant-level meta-…

  2022660 citations

• Vitamin D: evidence-based health benefits and recommendations for population guidelines

  WB Grant, SJ Wimalawansa, P Pludowski, RZ Cheng - Nutrients, 2025 - mdpi.com

  … 2000 IU/day (50 mcg/day) of vitamin D 3 , … IU of vitamin D 3 to achieve serum 25(OH)D levels between 40 and 70 ng/mL would provide greater protection against many adverse health …

  2025177 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

  … vitamin D status reduces the risk for a long list of chronic health … D of at least 1,000 IU/d did not experience an increase in 25(OH)D concentrations; 90% of these were taking > 4,000 IU/d …

  201791 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

  … In conclusion, a supplemental dose of 1,000 IU/day was sufficient to raise the average [25(OH)D] serum levels in the monitored group to the recommended range (avobe 75 nmol/l) after …

  20256 citations

• Longevity of daily oral vitamin D3 supplementation: differences in 25OHD and 24, 25 (OH) 2D observed 2 years after cessation of a 1-year randomised controlled trial …

  HM Macdonald, A Gryka, JCY Tang, LS Aucott… - Osteoporosis …, 2017 - Springer

  … The women in this study were healthy, non-smoking postmenopausal women, mean age (… In conclusion, 400 IU (or 1000 IU) vitamin D3 taken daily for 1 year still showed benefits over …

  201714 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2018-08-31. DSLD Label ID: 179711. 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.