Another weird deficiency symptom: oversensitive hearing
Over the past 10 years I've discovered that when my magnesium gets really low I develop an annoying sensitivity to noise. It took me a few years to put it together after the first time it happened. In that case it eventually resolved by itself, but not before I spent several months plotting the demise of an upstairs neighbor. During my last attempts to improve my vitamin D3 status with 15,000 IU a day, I experienced it again. Vitamin D supplements in big enough doses can affect your levels of the B vitamins, calcium, magnesium, and for me, vitamin K. And probably something else I'm forgetting at the moment. After a few weeks at this dose, the sensitivity to noise seemed to spring up in a matter of hours. I…