Life Extension Vitamin D3
Vitamin D is synthesized in the body from sunlight. But, due to the winter season, weather conditions, and sun block, the body’s ability to produce optimal vitamin D levels may be inhibited. In fact, it has been proposed that annual fluctuations in vitamin D levels explain the seasonality of influenza. All of these factors point to the value of taking a daily vitamin D supplement.
Vitamin D has long provided significant support for healthy bone density. However, scientists have also validated the critical role that vitamin D plays in regulating healthy cell division and differentiation, and its profound effects on human immunity. These findings link a deficiency of vitamin D to a host of common age-related problems.
The current RDA is only 400 IU. As a result of startling evidence of a widespread vitamin D deficiency, prominent nutritional scientists are calling on Americans to increase their vitamin D intake to 1,000 IU per day and higher. Currently, most experts in the field believe that intakes of between 1,000 and 4,000 IU for adults will lead to a more healthy level of serum 25(OH)D, at approximately 75 nmol/L.
Life Extension recommends that healthy adults supplement each day with at least 1,000 IU of vitamin D. Elderly adults may benefit from higher doses such as 2,000 IU daily up to 7,000 IU daily.
Life Extension Vitamin D3
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Product ID: LEN3207
| Vitamin D3 - 5000 IU (60 capsules) by Life Extension | |
| List Price: | $11.00 |
| Sale Price: | $8.95 |
| You Save: | $2.05 (19% off) |
| Quantity: | |
| Availability: | In stock. Ships today (Thursday, May 17) if you order in the next 6 hours and 42 minutes |
- Supports healthy bone density
- Plays a critical role in regulating healthy cell division
 
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Suggested Usage
As a dietary supplement, take one capsule daily with a fat containing, low fiber meal, or as recommended by a healthcare practitioner.
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Supplement Facts |
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| Amount per serving | % Daily Value |
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| Vitamin D3 (as cholecalciferol) |
5000 IU | 1,250% |
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 hypercalcemia (high blood calcium levels). People with kidney disease, certain medical conditions (such as hyperparathyroidism or sarcoidosis), and those who use cardiac glycosides (digoxin) or thiazide diurectics should consult a physician before using supplemental vitamin D. If you are pregnant, breastfeeding, taking anti-coagulant or anti-platelet medications, or have a bleeding disorder, consult your healthcare provider before taking this product. Do not exceed recommended dosage. Keep out of the reach of children.
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