1/12/2024 0 Comments Endocrine organs and hormonesVitamin D has its effects by binding to a protein (called the vitamin D receptor). The kidneys then convert the substance to calcitriol, which is the active form of the hormone in the body. This reaction produces cholecalciferol, and the liver converts it to calcidiol. The body makes vitamin D in a chemical reaction that occurs when sunlight hits the skin. In fact, unlike other vitamins, only about 10 percent of the vitamin D the body needs come from food (such as dairy products and oily fish), and the rest the body makes for itself. Prohormones are substances that the body converts to a hormone. often-misunderstood "vitamin" is not a vitamin - it is a prohormone. Of those, calcidiol is the form doctors most commonly focus on when measuring vitamin D levels in the blood. It is also known as calcitriol, ergocalciferol, calcidiol and cholecalciferol. Vitamin D is a hormone the kidneys produce that controls blood calcium concentration and impacts the immune system.
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