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Vitamin D3

Vitamin D Support for Bone Health and Immune System

Item #02010EU 3000 IU 120 Softgels 1 per serving Out of stock

For you, if you are looking for an optimal dose of immune health-supporting vitamin D3

The active ingredients in Vitamin D3 can:

  • Support bone density
  • Contribute to the immune system and bone health
  • Support cell differentiation and blood pressure regulation

Don’t accept deficiency of Vitamin D during the winter months. Vitamin D in Vitamin D3 can help you maintain normal vitamin D levels.

Product Details

Health Benefits at a Glance:

With Vitamin D3, 3000 IU you can get the multitude of health benefits that vitamin D is known for providing, from supporting bone density to contributing to the immune system. Vitamin D3 is produced in the skin from exposure to sunlight, but sunscreens and low light conditions in the winter make that difficult. These factors emphasize the importance of taking vitamin D supplements, all year round.


Why it Works:

Vitamin D3 can be produced by your skin if you are being exposed to sunlight continuously. During winter time your body’s ability to produce enough vitamin D may be hindered, which can lead to Vitamin D deficiency, and in turn emphasise the need for taking vitamin D supplements on a regular basis [1-33]. Vitamin D has long been associated with support for healthy bone density [1-33]. Vitamin D has also been proven to play a role in regulating healthy cell proliferation as well as supporting the immune system and playing a role in maintaining a healthy mental wellbeing. Moreover, research findings have also linked deficiency of vitamin D to many common age-related problems [1-33].

Life Extension recommends that you supplement with 5,000 IU to 8,000 IU of vitamin D3 every day. Take a 25-hydroxy vitamin D blood test after 3 months to assess and adjust your dosage.  The optimal blood levels will be between 50–80 ng/mL year-round.


The Science Behind the Product:

Studies reported that insufficient intake of vitamin D is associated with higher risk of diseases that span all systems in the body [34]. Even if we are able to make some amount of vitamin D in our bodies, we often still need extra amounts of vitamin D in order to function normally. This additional amount of vitamin D can come from our diet, sun or supplements [34].

Additionally, when vitamin D is ingested in the diet or produced in the skin, liver and kidneys convert vitamin D to its active form known as 1,25-dihydroxyvitamin D [34]. Vitamin D is needed for you because vitamin D is responsible for regulation of genes that control cell growth and development, immune function and metabolic control [34].

It was reported in the studies that people who are deficient in vitamin D  can have an increased risk to develop numerous of chronic disorders [34]. These disorders are type II diabetes, infections and cardiovascular, autoimmune and neurological diseases [34].


How to Use:

Suggested daily use is one (1) softgel with food, or as directed by a medical practitioner.


Reference List:

  1. Genome Res. 2010 Oct;20(10):1352-60.
  2. Endocrinol Metab Clin North Am. 2010 Jun;39(2):287-301.
  3. Postepy Hig Med Dosw (Online). 2015 Jan 23;69:127-39.
  4. Am J Clin Nutr. 2004;79(3):362-371.
  5. Am J Clin Nutr. 2008 Aug;88(2):570S-577S.
  6. Accessed August 21, 2015
  7. Drugs Aging. 2007;24(12):1017-29.
  8. Trends Endocrinol Metab. 2002 Apr;13(3):100-5.
  9. J Neurosci Res. 2000 Nov 1;62(3):374-82.
  10. Neuropharmacology. 2001 May;40(6):761-71.
  11. Neurol Sci. 2009 Jun;30(3):207-12.
  12. Clin Biochem Rev. 2015 May;36(2):53-61.
  13. Neurosci Lett. 1996 Oct 4;216(3):183-6.
  14. J Infect Dis. 2011 Jan 1;203(1):122-30.
  15. J Nutr. 2011 Mar;141(3):476-81.
  16. J Biol Chem. 2010 Dec 10;285(50):38751-5.
  17. Arterioscler Thromb Vasc Biol. 2010 Dec;30(12):2495-503.
  18. PLoS One. 2010 Sep 23;5(9):e12925.
  19. Immunol. 2010 Sep;105(3):191-9; quiz 200-2, 217.
  20. J Immunol. 2010 Oct 15;185(8):4948-58.
  21. Am J Physiol Heart Circ Physiol. 2010 Oct;299(4):H1226-34.
  22. Hypertension. 2011 Jan;57(1):63-9.
  23. Diabetologia. 2010 Oct;53(10):2112-9.
  24. Ann Rheum Dis. 2010 Aug;69(8):1448-52.
  25. Appl Nurs Res. 2009 Aug;22(3):221-5.
  26. Eur J Endocrinol. 2014 Apr 10;170(5):667-75.]
  27. Int J Health Sci (Qassim). 2013 Nov;7(3):267-75.
  28. Sheng Li Xue Bao. 2014 Feb 25;66(1):30-6.
  29. Public Health Nutr. 2014 Apr;17(4):823-6.
  30. J Evid Based Dent Pract. 2014 Mar;14(1):39-41.
  31. Anticancer Res. 2014 Mar;34(3):1163-6.
  32. Ann Am Thorac Soc. 2014 May;11(4):571-7.
  33. J Spec Oper Med. 2014 Spring;14(1):58-66.
  34. Holick MF. Vitamin D: evolutionary, physiological and health perspectives. Curr Drug Targets. 2011 Jan;12(1):4-18.
  35. Holick MF. Vitamin D: a d-lightful solution for health. J Investig Med. 2011 Aug;59(6):872-80

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Supplement Facts

Supplement Facts

Serving Size 1 softgel

Servings Per Container 120

Amount Per Serving

Vitamin D3 (as Cholecalciferol) (3,000 IU)

75 µg

Other ingredients: capsule (gelatine, humectant: glycerol), extra virgin olive oil, medium chain triglycerides, antioxidant: extracts of rosemary.


Dosage and Use
  • Take one (1) softgel once daily with food. 

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. 

Do not purchase if outer seal is broken or damaged.
If you are undergoing treatment for a medical condition or if you are pregnant or lactating, please consult with your medical practitioner first.
A food supplement should not be used as a substitute for a varied and balanced diet and a healthy lifestyle. Store tightly closed in a cool and dry place.

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Product reviews are provided for informational purposes only and reflect solely the views and opinions expressed by the contributors and not those of Life Extension. We do not verify or endorse any claims made in these reviews.