Can D3 Cause Headaches? Exploring the Link Between Vitamin D and Head Pain
•
5 min read
According to a study published in *Science Reports*, low serum vitamin D levels are associated with a higher risk of frequent headaches. While a deficiency is often linked to head pain, some individuals also report asking: can D3 cause headaches, especially when starting a new supplement regimen or taking a high dose? The relationship is complex, with both deficiency and excess playing a role.