Vitamin D 400 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

• 

  Nature's measure vitamin D 400IU

  Main Market Online

  $4.80Lowest
• 

  Nature's Blend Vitamin D 400 IU

  Target5.0(6)

  $7.16
• 

  Nature's Truth D3 400IU Tablets

  Walmart4.2(17)

  $6.99
• 

  Nature's Bounty Tablets 400IU 100ct

  Xpress Lane Pharmacy4.6(68)

  $4.99
• 

  Nature's Plus Vitamin D3 400 IU Water-Dispersible

  iHerb4.7(88)

  $6.76
• 

  Nature's Blend 400IU Drops

  HealthWarehouse.com

  $12.54
• 

  Nature's Way Vitamin D-400

  GoSupps.com4.7(11)

  $24.99
• 

  Nature's Blend Vitamin D 400 IU Body Immunity Essential Nutrient

  Honest Medical5.0(1)

  $7.70

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.

• ITL Health

  5.0 (37)

  Vitamin & Supplements Shop

  50 Broadway, London SW1H 0BL

  Directions0118 321 7628

• Holland & Barrett - Strand

  3.7 (51)

  Vitamin & Supplements Shop

  406-408 Strand, London WC2R 0NE

  Directions0330 058 2640

• Holland & Barrett - Oxford Street

  3.8 (192)

  Vitamin & Supplements Shop

  146, 148 Oxford St, London W1D 1NA

  Directions0330 058 2640

• Chelsea Health Store

  4.5 (28)

  Health food shop

  400 King's Rd, London SW10 0LJ

  Directions020 7352 4663

• HARA Health Store

  4.7 (50)

  Vitamin & Supplements Shop

  231 Finchley Rd, South Hampstead, London NW3 6LS

  Directions020 7794 5486

• Holland & Barrett - Covent Garden

  3.7 (60)

  Vitamin & Supplements Shop

  39 Long Acre, London WC2E 9LG

  Directions0330 058 2640

• HealthAid

  4.1 (35)

  Vitamin & Supplements Shop

  HealthAid House, Marlborough Hill, Harrow HA1 1UX

  Directions020 8426 3400

• HAVI Health and Food LTD

  Vitamin & Supplements Shop

  Unit 5, 8 Lyon Way, Greenford UB6 0BN

  Directions07718 823366

• Comparative analysis of nutritional guidelines for vitamin D

  R Bouillon - Nature Reviews Endocrinology, 2017 - nature.com

  … –400 IU of vitamin D 3 or vitamin D 2 can prevent vitamin D deficiency-associated rickets 44 . A more generous supply of vitamin D to … intake was frequently 4,000 IU per day) was linked …

  2017633 citations

• Maintenance of optimal vitamin D status in children and adolescents with inflammatory bowel disease: a randomized clinical trial comparing two regimens

  …, S Kassiff, R Filip-Dhima, D DiFabio… - The Journal of …, 2014 - academic.oup.com

  … vitamin D dose on the date such change was due. Vitamin D 2 was available in tablets of 400 IU (Nature's Bounty) and in a liquid preparation of 8000 IU/mL (Schwarz Pharma, Inc). All …

  201499 citations

• Vitamin D supplementation: a review of the evidence arguing for a daily dose of 2000 international units (50 µg) of vitamin D for adults in the general …

  P Pludowski, WB Grant, SN Karras, A Zittermann, S Pilz - Nutrients, 2024 - mdpi.com

  … IU (5 µg) for the vast majority of the population). Regarding the required vitamin D intakes to achieve serum 25(OH)D … vitamin D supplement with 400 IU (10 µg) and 800 IU (20 µg) of …

  2024104 citations

• Vitamin D revolution: how the power of this amazing vitamin can change your life

  S Khalsa - 2009 - books.google.com

  … containing 400 IU of vitamin D or eating vitamin D–rich foods… , when the recommendations for vitamin D were only for the … our vitamin D by as much as 20,000 IU—so if Mother Nature …

  200927 citations

• The Sunlight Solution: Reclaiming Vitamin D, Reversing the Chronic Disease Epidemic, and Making America Healthy Again

  WF Supple - 2026 - books.google.com

  … My skin was almost like a vitamin D meter to gauge how much to … vitamin D back then was 400 international units (IU) per day. I was taking thousands of IUs per day. The RDA of 400 IU …

  2026

• Daily oral dosing of vitamin D3 using 5000 TO 50,000 international units a day in long-term hospitalized patients: Insights from a seven year experience

  PJ McCullough, DS Lehrer, J Amend - The Journal of steroid biochemistry …, 2019 - Elsevier

  … All patients in our hospital have been routinely screened on admission for vitamin D deficiency … 30.2 pg/ml (no D3). In summary, long-term supplementation with vitamin D3 in doses …

  2019163 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2012-08-24. DSLD Label ID: 12272. 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.