Best Vitamin D3 1000 IU

Suggested Use

Suggested Adult Use: Take 1 or 2 capsules daily or as directed by a nutritionally informed physician.

• 

  Doctor's Best Vitamin D3

  Vitacost.com4.8(1400)

  $9.53
• 

  Doctor's Best 60 Veggie Caps

  Target4.9(407)

  $16.99
• 

  Doctor's Best Vegan D3 2500IU 60 Veggie Caps

  Swanson Health Products4.8(336)

  $12.99
• 

  Doctor's Best 180 Softgels

  iHerb4.9(208)

  $18.99
• 

  Doctor's Best Natural Vitamin K2 MK-7 with MenaQ7 plus D3

  Walmart - iHerb4.8(563)

  $25.67
• 

  Doctor's Best Multi-Vitamin 90 Veggie Capsules

  Target4.7(1200)

  $28.99
• 

  The Vitamin Shoppe Vitamin D3

  The Vitamin Shoppe4.6(99)

  $12.99
• 

  Vitamin D3 Kids Gummies 60 Gummies By Doctors Best

  Shipman's Pharmacy4.9(63)

  $16.48

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.

• The Vitamin Shoppe

  4.4 (105)

  Vitamin & supplements store

  157 East 86th St, New York, NY 10028

  Directions(212) 585-3091

• Vitamin Hut

  4.8 (16)

  Vitamin & supplements store

  21-23 49th Ave, Long Island City, NY 11101

  Directions(332) 227-5549

• The Vitamin Shoppe

  4.4 (122)

  Vitamin & supplements store

  8929 Avenue D C1, Brooklyn, NY 11236

  Directions(718) 629-2076

• GNC

  4.7 (197)

  Vitamin & supplements store

  2 Pennsylvania Plaza Ste 29B, New York, NY 10121

  Directions(212) 239-1251

• The Vitamin Shoppe

  4.3 (163)

  Vitamin & supplements store

  385 5th Ave, New York, NY 10016

  Directions(212) 532-4534

• The Vitamin Shoppe

  4.3 (183)

  Vitamin & supplements store

  12 4th Ave, Brooklyn, NY 11217

  Directions(718) 858-8314

• The Vitamin Shoppe

  3.9 (84)

  Vitamin & supplements store

  32 Court St, Brooklyn, NY 11201

  Directions(718) 596-0466

• The Vitamin Shoppe

  4.4 (98)

  Vitamin & supplements store

  257 8th Ave, New York, NY 10011

  Directions(212) 243-0086

• Optimal vitamin D status: a critical analysis on the basis of evidence-based medicine

  R Bouillon, NM Van Schoor, E Gielen… - The Journal of …, 2013 - academic.oup.com

  … Supplementation with 1000 IU of vitamin D 3 per day to adolescent girls with 25OHD baseline levels of 14 ng/mL also did not increase intestinal calcium absorption (83). …

  2013390 citations

• Vitamin D: what is an adequate vitamin D level and how much supplementation is necessary?

  H Bischoff-Ferrari - Best practice & research Clinical rheumatology, 2009 - Elsevier

  … IU vitamin D3 resulting in a 4–11% gain in lower extremity strength or function [19], [20], and in an up to 28% improvement in body sway[20], [22] in older adults 65+ years of age, within …

  2009195 citations

• Treatment of vitamin D deficiency: divergence between clinical practice and expert advice

  M Findlay, J Anderson, S Roberts… - Postgraduate medical …, 2012 - academic.oup.com

  … vitamin D preparations, particularly high dose vitamin D and vitamin D without calcium, in the UK. … Our understanding of vitamin D and the consequences of its deficiency have advanced …

  201215 citations

• Diagnosis and management of vitamin D deficiency

  SHS Pearce, TD Cheetham - Bmj, 2010 - bmj.com

  … A recent nationwide survey in the United Kingdom showed that more than 50% of the adult population have insufficient levels of vitamin D and that 16% have severe deficiency during …

  2010824 citations

• Comparison of vitamin D3 supplementation doses of 1,000, 2,000, 4,000 and 8,000 IU in young healthy individuals

  M Kralova, M Jirasko, E Dedeckova, H Hatakova… - in vivo, 2025 - iv.iiarjournals.org

  … vitamin D are a widespread global issue. This study aimed to determine the optimal vitamin D3 … October to April to avoid sunlight-induced vitamin D3 synthesis. The participants used oil-…

  20254 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

  … reported an intake of vitamin 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 and up to 16,000 IU/d. There are …

  201791 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2013-08-23. DSLD Label ID: 24791. 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.