Life Extension Vitamin D3 Softgels, 1000 IU, 5000 IU & 7000 IU Dosages

Our Price: $19.50$24.38

Evidence of a widespread vitamin D deficiency has nutritional scientists suggesting we increase our vitamin D intake. Vitamin D3 is one of the Life Extension vitamins that help support healthy bone density, cellular health, the immune system, and various age-related issues. Available in 1000 IU, 5000 IU, and 7000 IU formulations.

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  • Vitamin D has long provided significant support for healthy bone density.2-7
  • Scientists have validated the critical role that vitamin D plays in regulating healthy cell division and differentiation
  • May have profound effects on human immunity.8-15
  • Some findings link a deficiency of vitamin D to a host of common age-related problems.
  • Available in 1000 IU, 5000 IU, and 7000 IU formulations.

Understanding Vitamin D Supplementation

Vitamin D3 can be synthesized by humans in the skin upon exposure to ultraviolet-B (UVB) radiation from sunlight. But, due to the winter season, weather conditions, and sun screen usage, the body’s ability to produce optimal vitamin D levels may be inhibited.1 These factors point to the value of taking a daily vitamin D supplement.

As a result of evidence of widespread vitamin D deficiency, prominent nutritional scientists are calling on Americans to increase their vitamin D intake to 1000 IU per day and higher. Life Extension recommends that healthy adults supplement each day with at least 2000 IU of vitamin D. Elderly adults may benefit from higher doses such as 5000 IU daily up to 10000 IU daily. The objective of taking a vitamin D supplement is to achieve an optimal 25-hydroxy vitamin D blood level of 50 ng/mL (and higher).

Why Choose Life Extension Vitamin D3 Over Others?

Commercial companies offered only 400 IU vitamin D products when Life Extension long ago introduced its 1000 IU version. It has since added dosages as high as 5000 IU and 7000 IU. For most people, a 1000 IU potency is insufficient to attain optimal vitamin D blood levels, but others may require larger dosages in order to get the same effect.

Life Extension has upgraded its vitamin D capsules to a small, easy to swallow softgel form that does not include allergen ingredients or vegetable stearate.


Caution: Individuals consuming more than 2,000 IU/day of vitamin D (from diet and supplements) should periodically obtain a serum 25-hydroxy vitamin D measurement. Do not exceed 10,000 IU per day unless recommended by your doctor. Vitamin D supplementation is not recommended for individuals with high blood calcium levels.


  • If pregnant, nursing, or taking medication, consult your physician before taking this product
  • Keep out of reach of children
  • Do not exceed recommended dose

* These statements have not been evaluated by the Food and Drug Administration. This Product is not intended to diagnose, treat, cure or prevent any disease.

Supplement Facts

Serving Size: 1 softgel

Servings Per Container: 250 (90, 60)

Amount Per Serving
Vitamin D3 (as cholecalciferol) 1000 IU (5000 IU, 7000 IU)
Other Ingredients: safflower oil, gelatin, glycerin and purified water.

Dosage & Use

Take one softgel daily with food, or as recommended by a healthcare practitioner.


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1. Photochem Photobiol. 2007 Mar-Apr;83(2):459-63.
2. Rev Rhum Engl Ed. 1996 Feb;63(2):135-40.
3. Proc Nutr Soc. 2001 May;60(2):283-9.
4. J Bone Miner Res. 2003 Jul;18(7):1217-26.
5. Proc Natl Acad Sci USA. 2002 Oct 15;99(21):13487-91.
6. Steroids. 2001 Mar-May;66(3-5):375-80.
7. Bone. 2006 Oct;39(4):946-53.
8. Anticancer Res. 2012 Jan;32(1):223-36.
9. Cancer Lett. 2011 Dec 19. [Epub ahead of print]
10. Am J Prev Med. 2011 Jul;41(1):68-74.
11. Clin Rev Allergy Immunol. 2011 Feb 1. [Epub ahead of print]
12. Med Hypotheses. 2011 Dec;77(6):1145-7.
13. Dermatoendocrinol. 2011 Jan;3(1):11-7.
14. Mol Cancer. 2011 May 18;10:58.
15. Clin Rev Allergy Immunol. 2011 Feb 1. [Epub ahead of print]
16. Prevention and Treatment of Vitamin D Deficiency.

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