Vitamin D – I take 5000U every day

Now that the days are getting shorter, we have less sun exposure, which can lead to lower vitamin D levels.  Low vitamin D levels have been associated with obesity, diabetes, heart disease, etc.  Vitamin D levels tend to be lower in darker-skinned people, and in the obese.

Now, association does not prove causation.  It’s still controversial whether or not taking extra vitamin D will reverse these trends.  I choose to take 5000U daily vitamin D.  I don’t recommend taking such doses unless under a doctor’s supervision, who can check your blood levels.  Too much vitamin D can cause heart rhythm problems.  Here are my recent vitamin D blood test results (92.7 ng/mL; normal range 30-100):

Insufficient levels of serum 25-hydroxyvitamin D (25[OH]D) appear to be a major contributor to deaths in older adults, as shown in a study showing vitamin D levels to be inversely proportional to mortality risk in these individuals (J Am Geriatr Soc. 2009;57:1595-1603). Some studies suggest that vitamin D inhibits fat depositsVascular health (think, impotence; heart attack; stroke) may be improved by optimizing vitamin D levels.

Dr John Ellis MD

Board-certified anesthesiologist, with expertise in cardiovascular anesthesia and the implications of obesity and sleep apnea in anesthesia. See vascularanesthesia.com for professional information. Dr. Ellis has used the strategies in here to: (1) lose 120 lbs over 18 months, (2) stop all antihypertensive medicines, and (3) no longer need CPAP treatment for sleep apnea.

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