Vitamin D overdose: Warning signs, health risks, and safe supplementation tips

While vitamin D offers numerous health benefits, excessive intake can lead to toxicity, a condition known as hypervitaminosis D. This fat-soluble vitamin accumulates in tissues, causing dangerous calcium buildup. Symptoms range from nausea and weakness to severe kidney damage and confusion. Experts urge caution, emphasizing blood tests before supplementing to ensure safe levels and avoid potential harm.