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Life Extension - Vitamin D3 (1000iu), 1000, 250 capsules |  | Brand: Life Extension
Category: Health and Beauty
List Price: $12.50
Buy New: $8.99
as of 9/3/2010 20:51 PDT details
You Save: $3.51 (28%)
New (12) from $8.99
Seller: vitamindiscountexpress
Rating:  10 reviews
Sales Rank: 1950
Ingredients: Vitamin D3 (1000 IU)
Size: 250 Capsules
Shipping Weight (lbs): 0.3
Dimensions (in): 3.9 x 2.3 x 2.2
Legal Disclaimer: The products and the claims made about specific products on or through this site have not been evaluated by the United States Food and Drug Administration and are not approved to diagnose, treat, cure or prevent disease.
MPN: 00251
UPC: 737870251255
EAN: 0737870251255
ASIN: B000JKR6U8
Availability: Usually ships in 1-2 business days
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| Features:
| • | 250 Capsules | | • | Serving Size: 1 capsule | | • | 250 Servings Per Container |
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| Editorial Reviews:
Product Description
Vitamin D is necessary for utilization of calcium and phosphorus and in many ways acts as a hormone.78-80 The two most important forms of vitamin D are cholecalciferol (D3), which is derived from our own cholesterol and ergocalciferol (D2), a plant analogue derived from the diet. The cholecalciferol supplied by the Life Extension Buyers Club is synthetic, but its form is identical to that which is derived from cholesterol and synthesized by sunlight on the skin. Cholecalciferol Vitamin D is essential for bone growth and maintenance of bone density. A dietary deficiency of vitamin D inhibits the production of the protein that binds calcium in the intestines, so that calcium cannot be absorbed, even if there is adequate intake. Deficiencies of vitamin D are often found in the elderly and in women who have low intake of milk and receive inadequate exposure to sunlight. Vitamin D is potent in minute quantities; one microgram of cholecalciferol has 40 IU of vitamin D activity.
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| Customer Reviews:
Showing reviews 1-5 of 10
 Its a vitamin, it works March 18, 2010
Felicia (Amesbury, MA)
1 out of 1 found this review helpful
My doctor recently tested me for Vit D levels, and since taking this supplement, I'm at the high range of what is considered normal for vitamin D. Good to know this works, since I know I wasn't getting very much vitamin D from just being outdoors this winter (because I wasn't out very much).
Vitamin D3 January 7, 2010
E. Jackson (Pacific Northwest)
This is one of the vitamins that everyone in the Pacific Northwest should be taking, and this was more reasonably priced than our local health food store.
Great Value November 16, 2009
Johnny Be Good (Grand Rapids, MI USA)
4 out of 4 found this review helpful
If you live in the upper midwest or northwest where clouds and gray skies rule for 3-5 months a year, doctors advise patients 50 years of age or older to add at least 1,000 to 2,000 IUs of Vitamin D3 to their diets. The Life Extension brand is a great value, and I prefer the capsules over the soft gels. So this works perfectly for me. Always consult your physician before taking any drug or supplement because some of these may interact negatively with any precriptions and/or supplements you are currently taking. Always be cautious.
Vitamin D-3 August 30, 2009
Michael P Dunphy (Columbia, SC)
1 out of 1 found this review helpful
Please note that this is Vitamin D-3 not the usual Vitamin D (which is slightly different). Most of the research on Vitamin D has been on Vitamin D-3, not the mixed ones. I have found this to be a good product, small capsule, easy to swallow. Decent price.
 Buy something else May 31, 2009
AV
1 out of 7 found this review helpful
I purchased two of these. One for my daughter in college and one for me. It made both of us sick. It made her extremely jittery and nauseous and it gave me one heck of a stomach ache. I bought this because of all the wonderful reviews here in Amazon. So consider this your reality check people.
Showing reviews 1-5 of 10
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