Vitamin D is essential for strong bones, immunity, and healthy muscles, but more isn’t always better. Because it’s fat-soluble, excess vitamin D can build up in the body, especially with high-dose supplements taken over time.
Too much vitamin D can raise calcium levels, leading to symptoms like thirst, frequent urination, nausea, fatigue, and constipation. In severe cases, it may damage the kidneys, cause kidney stones, or affect the heart.
The key is balance. Take vitamin D only as needed, know your total intake, and consult a healthcare professional before using high-dose supplements.