Frequently Asked Questions About Vitamin D for Seniors
How much Vitamin D do adults over 55 need?
The recommended dietary allowance (RDA) for adults up to age 70 is 600 IU per day. For adults over 70, it increases to 800 IU per day. However, these are general guidelines for maintaining bone health. If you have a deficiency, your doctor will likely recommend a much higher dose for a period of time to bring your levels back up to normal.
Why are older adults more at risk for vitamin D deficiency?
There are several reasons. First, as we age, our skin becomes thinner and less efficient at producing Vitamin D from sunlight. Second, our kidneys are less able to convert Vitamin D into its active form that the body can use. Finally, older adults may spend more time indoors or live in assisted living facilities, reducing their opportunities for sun exposure.
Can I just take a supplement without getting tested?
It is not recommended. While Vitamin D is essential, it is a fat-soluble vitamin, which means your body stores any excess. Taking very high doses without a confirmed deficiency and without medical supervision can lead to a toxic buildup, causing problems like nausea, weakness, and kidney issues. A blood test ensures you are taking the right amount for your specific needs.
