Vitamin D is used in the body for much more than maintaining bone. Adequate levels prevents osteoporosis, depression, prostate cancer and breast cancer. Low Vitamin D intake has been linked with development of type 1 and 2 diabetes. It is required for calcium absorption from the intestine. Vitamin D deficiency can cause muscle weakness, aches and pains. Vitamin D deficiency at age 1 year was associated with a nearly fourfold increased prevalence of a food allergy. Some estimate that more than 32% of the population is vitamin D deficient. Vitamin D deficiency is more frequent in hospitalized individuals, chronic disease sufferers, and African Americans.*
Vitamin D is produced by your skin in response to exposure to ultraviolet radiation from natural sunlight. Glass and sunscreens inhibit sunlight penetration. However, in the latitude where most of us reside, we don’t receive intense enough sunlight exposure to give us the Vitamin D we need. Dark-skinned people require more exposure to the sun to generate the same amount of Vitamin D as a fair-skinned person. It takes months of vitamin D supplementation to correct a chronic deficiency. Obese people do not use Vitamin D in their body as well, and require higher doses.*
I recommend for my patients to take Vitamin D3 at least September through May. Vitamin D2 is 1/3 the potency of D3 and does not stay in the body as long. Vitamin D3 is widely available, and is a valuable alternative to the prescription Vitamin D2. I If you want to know if you are Vitamin D deficient, I can help you.*
3. Armas, Laura et al. Vitamin D2 is Much Less Effective than Vitamin D3 in Humans. The Journal of Clinical Endocrinology & Metabolism November 1, 2004 vol. 89 no. 115387-5391
*disclaimer: RESULTS MAY VARY DEPENDING UPON STARTING POINT, GOALS, AND EFFORT.
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