How should I take daily vitamin D supplements if I'm an older adult?

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F. Michael Gloth, III
Geriatric Medicine
The best way to take vitamin D has not yet been determined. Because it is a fat-soluble vitamin, taking daily supplements is not the only option. If daily dosing is chosen, it should consist of at least 800 I.U. per day, with doses of 1,600-2,000 I.U. per day for older individuals who are deprived of exposure to sunlight. Another option is to use less frequent megadoses of 50,000 I.U. of vitamin D3 (cholecalciferol). Taking two such tablets once monthly is probably the easiest and cheapest way to take vitamin D.

Consult your physician or other healthcare professional before taking vitamin D more frequently, because of the serious possibility that vitamin D toxicity can lead to the development of markedly elevated calcium levels (hypercalcemia), which can have serious health consequences.

Vitamin D supplements can be recommended for many older adults, especially people who receive limited exposure to sunlight, such as those living in a long-term care setting.
Fit at Fifty and Beyond: A Balanced Exercise and Nutrition Program (A DiaMedica Guide to Optimum Wellness)

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Fit at Fifty and Beyond: A Balanced Exercise and Nutrition Program (A DiaMedica Guide to Optimum Wellness)

As people reach their fifties, the body’s metabolism slows. Without a change in eating or exercise habits, it’s common to put on weight and become less able to perform routine physical...

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Dietary Supplements

Whether you're visiting the drug store, grocery or natural food shop you'll likely find an aisle where there are jars and bottles of things for you to put in your body that are neither foods nor medicines. Ranging from vitamins an...

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.