The Importance of Vitamin D for Older Adults: A Key to Healthy Aging

Jun 28, 2023 - McMaster University -

Our bodies undergo numerous changes as we age, and maintaining good health becomes increasingly important. One crucial element in this pursuit is ensuring an adequate intake of essential nutrients, and vitamin D is a standout player on this stage. Known as the "sunshine vitamin," vitamin D is especially vital for older adults, as it offers many benefits to support their overall health and well-being. We explore some of those important aspects below.

What role does Vitamin D play?

Vitamin D is a unique nutrient that acts as a hormone in the body. Its primary function is to facilitate the absorption of calcium and phosphorus, two minerals that are vital for maintaining bone health. Adequate vitamin D levels are essential for building and preserving strong bones, which is particularly critical for older adults who are more susceptible to osteoporosis and fractures.

Vitamin D has been found to play a crucial role in other bodily functions beyond bone health. It supports the immune system, promotes muscle strength and coordination, and contributes to cardiovascular health.

Key sources of Vitamin D:

The most natural source of vitamin D is sunlight. When exposed to sunlight, the skin synthesizes vitamin D from cholesterol. While sunlight is an excellent source of vitamin D, it is crucial to balance sun exposure with sun safety.

We can also get Vitamin D from the foods we eat. Dietary sources of vitamin D include fatty fish like salmon and mackerel, fortified dairy products, fortified cereals, and egg yolks. However, obtaining sufficient vitamin D through diet alone can be challenging, especially for older adults with specific dietary restrictions or reduced appetites. In such cases, vitamin D supplements are often recommended to ensure optimal levels.

How do I know if I am getting enough Vitamin D?

To determine whether you have adequate vitamin D levels, it is essential to consult with your healthcare provider. They can perform a blood test to measure your serum 25-hydroxyvitamin D levels, which is the most accurate way to assess your vitamin D status. Based on the results, your healthcare provider can guide you on the appropriate dosage of vitamin D supplementation or provide lifestyle recommendations.

Vitamin D plays a vital role in promoting healthy aging for older adults. From supporting bone health to strengthening the immune system and reducing the risk of various diseases, this sunshine vitamin is a true asset. Read more about it in our resources below.

Featured Resources

• Video Post: Supplementing with vitamin D? What you should know
• Video Post: Vitamin D: Should I be taking a supplement?
• Blog Post: Are you getting enough vitamin D?
• Blog Post: Preventing type 2 diabetes with the “sunshine” vitamin?
• Blog Post: Vitamin D: A possible ally in the fight against diabetes
• Blog Post: Vitamin D and calcium: A dynamic duo in the maintenance of strong bones
• Blog Post: Be "sun smart" to avoid skin cancer