Why do i get headaches whenever i take vitamin d? i always get a headache whenever i take a vitamin d supplement 1000ius. whys this and what can help?

Vitamin D Vitamin D: Vitamin D increases your serum calcium. Headache is not a typical problem with elevated calcium. Fatigue, muscle weakness, nausea and stomach upset a more likely symptoms. If when taking pill possibly some filler in pill causing headache

Headache/vitamin d : It's possible that you a reaction to the pill coating. Try another brand.