Tag: Toxic vitamin d levels

According to the National Institutes of Health, vitamin D toxicity most often results from consuming excessive amounts of supplements rather than from diet or sun exposure. Severe vitamin D toxicity is characterized by excessively high levels of 25-hydroxyvitamin D (calcifediol) in the blood, leading to potentially life-threatening hypercalcemia.

While vitamin D is essential for overall health, high-dose supplementation has led to an increase in reported cases of toxicity. This guide explains **what are symptoms of toxic levels of vitamin D in blood**, which typically arise from dangerously high levels of calcium.