According to the Mayo Clinic, people who are deficient in vitamin D are more likely to develop Alzheimer’s disease or other forms of dementia later in life. However, it’s not yet clear whether taking vitamin D supplements or spending more time in the sun could lower the risk of developing Alzheimer’s disease.
While we know that vitamin D is essential to help the absorption of calcium to strengthen and protect bones, researchers are unsure of any role it may play in brain health. Studies have found that it may be involved in many cognitive functions, but exactly how and why remains unknown.
As a person ages, their ability to synthesize vitamin D from UV rays through their skin diminishes, so it’s advisable for older people to ensure they include plenty of foods that are rich in vitamin D, such as oily fish, fortified cereals and dairy products in their diet for overall health.
The recommended dose of vitamin D each day for a person under the age of 70 is 600 IUs and 800 IUs for those over the age of 70.
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