Vitamin D is one of the most important micronutrients, and your body gets most of it from the sun! Your body needs vitamin D to absorb and use calcium to maintain your bones and teeth. Vitamin D is also required for proper muscle function, muscle growth, nervous system health and immune system health. Vitamin D helps boost the energy and muscle development of athletes. As you age, your body uses more vitamin D, so older individuals should actively monitor their vitamin D levels.
If you live in low latitudes, you can easily obtain your required vitamin D intake for free from the sun. Mid- and high-latitude residents may need to add vitamin D to their diet, with fortified foods or supplements during the winter months.
The signs of vitamin D deficiency are more frequently observed in older adults and include fatigue, muscle and joint soreness and decreased strength. Unfortunately, these can be misinterpreted as consequences of getting older. Too much vitamin D causes chronic nausea, poor appetite, increased blood calcium levels, and, in extreme cases, compromised bone strength.
Your DNA plays a key role in how your body metabolizes vitamin D. The protein encoded by CYP2R helps break vitamin D down into a form that can be easily used by your body.
- GC influences how well vitamin D is transported to your tissues.
- VDR influences how your body uses vitamin D and may also have an effect on muscle strength and bone structure.
Find out how your DNA influences your body's ability to metabolize vitamin D and get expert recommendations with Athletigen's Nutrition Report.