HUDSONVILLE, Mich. — A West Michigan family physician said she is diagnosing a number of people with vitamin D toxicity.
Vitamin D is a common supplement for Michiganders in the winter. With less sunlight in the colder months, many take it to make up for the loss of ultraviolet-B light. Vitamin D is essential for bone growth. Low vitamin D levels are also associated with depression and anxiety symptoms, often stronger in the winter months.
“There are plenty of people who have low vitamin D levels living in Michigan in the winter,” said Dr. Ada Pariser, a family physician at Holland Hospital Primary Care in Hudsonville. “But we have to remember that supplements are generally not regulated by the FDA. The dosing recommendations are not as readily available, and you can buy all kinds of different doses over the counter.”…