D3 50 mcg (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 Tablet(s) · 1 per day

Not Present

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  21st Century D3 Tablets

  iHerb4.8(4000)

  $12.99
• 

  21st Century Super Strength Softgels

  Target4.8(198)

  $13.99
• 

  21st Century Softgels

  Walmart - Pharma Frills

  $12.64
• 

  21st Century D3 Vitamin Supplement, 2000 IU | Case of 2 | Carewell

  Carewell4.8(34)

  $14.53
• 

  21st Century Tablets

  Walmart - Pharma Frills

  $17.54
• 

  Vit D3 2000 IU 2000 Unit Cap 250 By 21st Century Nutritional Prod/

  AmericanPharmaWholesale.com4.8(198)

  $7.84
• 

  21st Century Vitamin D3-2000 Iu Super Strength Softgels - 250 Ea, 2 Pack, Size: 250 ct

  Walmart - Pharma Frills4.8(198)

  $19.17
• 

  21st Century Vitamin D-2000, Maximum Strength D3 Tablets 110 ea Pack of 4

  Walmart - Pharma Frills

  $31.09

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• Vitamin D fortification in the United States and Canada: current status and data needs

  MS Calvo, SJ Whiting, CN Barton - The American journal of …, 2004 - academic.oup.com

  … The vitamin D content is expressed not in micrograms or international units but as a percentage … to health status and efficacy of current food fortification and dietary supplement use. Nutr …

  2004807 citations

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

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

  … with 2000 IU/day (50 mcg/day) of vitamin D 3 , which prevent diseases and deaths. Furthermore, a daily dose between 4000 and 6000 IU … against many adverse health outcomes. Future …

  2025177 citations

• Is melatonin the “next vitamin D”?: a review of emerging science, clinical uses, safety, and dietary supplements

  DM Minich, M Henning, C Darley, M Fahoum… - Nutrients, 2022 - mdpi.com

  … health, most likely resulting in the more than doubling of melatonin dietary supplement … ) (450 mg), vitamin D3 (2000 IU/50 mcg) and vitamin K2 (MK7) (60 mcg) may be able to favorably …

  2022227 citations

• Implementation strategies for improving vitamin D status and increasing vitamin D intake in the UK: current controversies and future perspectives: proceedings of the …

  JL Buttriss, SA Lanham-New, S Steenson… - British Journal of …, 2022 - cambridge.org

  … ), a 600 IU/d (15 μg/d) supplement for pregnant women and … to supplements at child health surveillance visits will prompt … microgram basis, the need to explore in more depth the relative …

  202267 citations

• Use of vitamin D in clinical practice

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

  … otherwise healthy patients with 2,000-7,000 IU vitamin D3 per … (that is, 2,000 IU per day may not raise 30 ng/mL to 50 ng/mL). … diet and supplements of approximately 1,000 IU (25 mcg) …

  2008485 citations

• Benefits and requirements of vitamin D for optimal health: a review

  WB Grant, MF Holick - Altern Med Rev, 2005 - anaturalhealingcenter.com

  … Vitamin D and health in the 21st century: bone and beyond. Executive summary. Am J Clin … of the effects of the vitamin D3 adequate intake versus 100 mcg (4000 IU) per day on …

  2005895 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2021-12-18. DSLD Label ID: 258437. 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.