Introduction Vitamin D is an essential fat-soluble vitamin that plays a critical role in maintaining bone health, immune function, and cardiovascular regulation. Among its measurable forms in the human body, 25-hydroxyvitamin D [25(OH)D] is considered the most reliable indicator of overall vitamin […]
Introduction Vitamin D, often referred to as the “sunshine vitamin,” is a fat-soluble vitamin essential for maintaining calcium and phosphorus balance, supporting bone mineralization, and contributing to immune and cardiovascular health. In recent decades, research has uncovered that vitamin D has functions […]
Introduction Vitamin D, often referred to as the “sunshine vitamin,” is a fat-soluble vitamin crucial for maintaining calcium and phosphorus balance, bone metabolism, and overall health. Serum vitamin D levels serve as a key biomarker for assessing vitamin D status in the […]