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Vitamin D, also known as calciferol, encompasses a group of steroid-like molecules including vitamin D2 (ergocalciferol) and vitamin D3 (cholecalciferol). As a fat-soluble vitamin, it is stored in the liver and adipose tissue. Vitamin D plays a crucial role in regulating the absorption of calcium and phosphate, which are essential for skeletal growth and maintaining bone health. Besides its skeletal roles, vitamin D is also involved in various non-skeletal functions, such as regulating cell proliferation and differentiation and supporting a healthy immune system.
In the UK, approximately 20% of adults may experience low vitamin D status. Severe deficiency can lead to rickets in children and osteomalacia in adults. The primary source of vitamin D for humans is its synthesis in the skin following exposure to ultraviolet (UV) light. However, in the northern hemisphere, the intensity of sunlight necessary for vitamin D synthesis is typically only sufficient during the summer months.
Vitamin D is essential for bone health, immune function, and various other bodily processes. While supplements are commonly used to correct deficiencies, there are also natural ways to maintain adequate vitamin D levels. These methods are particularly relevant for individuals living in regions...
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