Vitamin D3 is a form of vitamin D. It is also referred to as cholecalciferol and calciol. Cholecalciferol is the raw form of the nutrient that humans obtain through exposure to sunlight. Calico is the form the nutrient takes after it has been processed for use by the body. It is structurally similar to steroids such as testosterone, cholesterol, and cortisol (though vitamin D3 itself is a secosteroid). Vitamin D is an essential nutrient that plays an important role in calcium metabolism and bone health. In recent years, biomarkers like PTH, calcium absorption have been used to define relevant biological indices of vitamin D nutritional status. Vitamin D3 supports calcium in your body in order to develop and maintain strong bones and healthy teeth.
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