Adults over 70, meanwhile, should aim for 20 mcg (800 IU) of vitamin D daily. In this age range, people tend to spend even less time outdoors and the skin’s ability to make vitamin D when exposed to the sun decreases.
“Many older adults have decreased appetite, so it’s difficult to get adequate vitamin D from snacks and meals,” Dawn Jackson Blatner, a registered dietitian and author of “The Superfood Swap” told Eat This, Not That. “Your best bet is likely to take a supplement to ensure you’re hitting the mark.”
Before starting a vitamin D regimen, be sure to talk to your doctor. Certain interactions can occur, including those with drugs treating cholesterol, heart conditions and blood pressure, according to the Mayo Clinic.
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