You might be wondering how to raise vitamin D in your body, whether you want to strengthen your bones or boost your immune system. Vitamin D is an important nutrient that we can obtain from our diets or produce ourselves through sun exposure. Because it benefits our bodies so much, not getting enough of it might be a problem. A simple blood test can help your doctor detect vitamin D deficiency. It might be difficult to get enough vitamin D in your diet, despite the fact that few foods contain it. Vitamin D is found in a variety of foods, including fortified cereals, fortified milk, mackerel, salmon, sardines, egg yolk, fortified yogurt, orange juice with added vitamins and shrimp. Going outside and soaking up the natural sunlight is an excellent approach to obtain vitamin D and avoid deficiency. However, in locations with limited sunlight, especially during the winter, supplementing with vitamin D may be the only option.