Life Extension Vitamin D3, 5000 IU, 60-Count
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Life Extension Vitamin D3, 5000 IU, 60-Count Details
Manufacturer: Life ExtensionBrand: Life Extension
Published: 2011-01-12
Product features:
- Vitamin D is synthesized in the body from sunlight
- Currently, most experts in the field believe that intakes of between 1000 and 4000 IU for adults will
- Vitamin D levels explain the seasonality of influenza
Customer Reviews of Life Extension Vitamin D3, 5000 IU, 60-Count
Customer Review: Caution with this dosage
Summary: 4 Stars
As a physician specializing in hormone balance (active vitamin D is a actually a hormone) and natural medicine, I would recommend caution in taking 5000 IU of vitamin D3 every day. Although the RDA for this nutrient is too low and vitamin D deficiency is an epidemic in the US (at least 85% of my patients are low, and I test everyone), 5000 IU of D3 every day can lead to toxic levels (biggest concern is increased risk of calcification of soft tissues and kidney stones). Check your 25(OH)Vitamin D level twice a year -- optimal is 40-70.
Description of Life Extension Vitamin D3, 5000 IU, 60-Count
Vitamin D is synthesized in the body from sunlight. But, due to the winter season, weather conditions, and sunscreen blockers, 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 to ensure optimal vitamin D intakeVitamins
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