Strangely though, my hair started falling out shortly after I started taking the pills. I didn't return to the doctor until August though and when I did, I was surprised to find my levels at 19 (still now) - and a new issue, my ferritin was low too. are used to help you see how the past projects and scenarios were addressed. Now, I live in an extremely hot climate and most of the year is sunny, so from April to August I know for a fact that I spent at least 20 minutes in the sun everyday. I also made a conscious effort to eat more Vit D.