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 Tablet(s) · 1 per day

Not Present

• 

  21st Century Vitamin D3 mcg

  21st-century-vitamins4.8(141)

  $16.99
• 

  21st Century Vitamin D3

  iHerb4.8(4000)

  $12.99
• 

  Case of 12-21st Century D3 250 mcg (10,000 IU) Tablets 110 EA

  AmericanPharmaWholesale.com4.8(4000)

  $71.49
• 

  21st Century D3 Tablets

  Target4.8(34)

  $12.45
• 

  21st Century Calcium Magnesium Zinc + D3 250 Tablets

  iHerb4.7(36000)

  $10.99
• 

  21st Century Tablets D-1000

  iHerb4.8(4000)

  $10.99
• 

  21st Century Vitamin D3 250 mcg (10,000 IU) Rapid Release Softgels, 110 Count (Pack of 2)

  GoSupps.com4.8(4000)

  $49.99
• 

  Case of 6- 21st Century Vit D3 250 mcg (10000 IU) Softgel 110ct

  AmericanPharmaWholesale.com4.8(4000)

  $68.64

Enter your city or ZIP code to find supplement & health stores in your area that may carry this product.

Showing representative supplement & health retailers — search above for stores in your area.

• VitaminOnline

  5.0 (14)

  Internet shop

  1-Ya Vladimirskaya Ulitsa, 30/13, Moscow, Russia, 111141

  Directions+7 495 720-74-55

• The Vitamin Shoppe

  4.4 (103)

  Vitamin & supplements store

  2100 88th St F4, North Bergen, NJ 07047

  Directions(201) 758-0404

• Sklep Firmowy Podkowa Natural Horsemanship Lublin Zemborzycka

  4.3 (76)

  Vitamin & supplements store

  Zemborzycka 16a, 20-450 Lublin, Poland

  Directions+48 692 437 664

• Zawsze Naturalnie

  4.8 (142)

  Vitamin & supplements store

  Rynek Dębnicki 13, 30-319 Kraków, Poland

  Directions+48 881 483 888

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

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

  … layer recovery by the end of the 21st century, assuming continuing compliance with the … and general health in a relatively short period of time [179]. Even if high doses of up to 10,000 IU/…

  2021437 citations

• Safety issues of vitamin D supplementation

  A Zittermann, S Prokop, J F. Gummert… - Anti-Cancer Agents in …, 2013 - benthamdirect.com

  … health protection with respect to adverse vitamin D effects. The observation that 250 µg (10,000 IU) of … ), an increment in 25(OH)D of up to 4 nmol/l per microgram oral vitamin D3 can be …

  201389 citations

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

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

  … If 10,000 IU of vitamin D is produced from exposure of the full … Vitamin D and health in the 21st century: bone and beyond. … the vitamin D3 adequate intake versus 100 mcg (4000 IU) per …

  2005895 citations

• One hundred years after Vitamin D discovery: Is there clinical evidence for supplementation doses

  S Ghanaati, J Choukroun, U Volz, R Hueber… - Int J Growth Factors …, 2020 - academia.edu

  … One used unit is the mass unit as microgram (μg). … daily intake of 5000 IU/day to maintain the healthy Vitamin D level … In conclusion, it was shown that daily Vitamin D dose of 10,000 IU is …

  202027 citations

• Vitamin D: evolutionary, physiological and health perspectives

  M F. Holick - Current drug targets, 2011 - benthamdirect.com

  … IU (2.5 mcg) vitamin D in a serving (Table 1). When given in physiologic doses both vitamin D2 and vitamin D3 … In adults 10,000 IU of vitamin D a day for five months did not alter serum …

  2011583 citations

• 10,000 IU vitamin D daily is safe, toxicity start at 150 ng (for monotherapy)

  A Zittermann, S Prokop, JF Gummert, J Borgermann - vitad.org

  … health protection with respect to adverse vitamin D effects. The observation that 250 |ig (10,000 IU… average 4.8 nmol/l higher compared with the increment per microgram oral vitamin D3. …

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: 326324. 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.