Doctors and dietitians break down the biggest signs and symptoms of vitamin B2 deficiency. Plus, how much vitamin B2 you need in your diet and how to get it.

This is a more unique symptom of riboflavin deficiency, leading to lesions at the corners of your mouth. “You may get scaling ...

Being low on vitamin D can increase your risk of high blood pressure and diabetes, says Michael Holick, M.D., endocrinologist ...