Vitamin D Vitamins are elements that the body needs for normal growth and development, as vitamin D helps the body absorb calcium, which is the main material for building and forming bones, a deficiency in it may lead to bone diseases such as osteoporosis and rickets, and vitamin D plays a role in the nervous system And in the muscles and in the immune system, where vitamin D can be obtained through three ways, either through the skin, from the diet, or from supplements, as the body can manufacture vitamin D naturally after the body is exposed to…
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Vitamin D is one of the fat-soluble vitamins and is also called the sunshine vitamin, as the body manufactures it when exposed to ultraviolet rays of the sun, and sunlight is the most important factor in the manufacture of vitamin D in the body through the skin. Dr. Olesya Savelyeva revealed that rapid fatigue and brittle nails indicate a lack of vitamin D in the body. She pointed out that vitamin D contributes to many important processes taking place in the body, and is responsible for mood stability and good health. She explained: “Vitamin D is an essential fat-soluble secosteroid…