For close to a year now I have noticed a lot of my hair falling out, particularly in the shower. I know we lose a lot of hair daily, but this is unlike anything I have ever experienced. I brushed it off as stress and tried not to worry until my hair dresser noticed. I immediately went to the doctor. She checked every lab under the sun, including thyroid. Everything came back within normal limits except  my vitamin D and iron were low despite my daily multi vitamin. I now take a handful of vitamins daily but have yet to notice a difference. She also suggested that I may have malabsorption due to high dose antibiotic therapy that was required to heal an ACL infection earlier in the year. I'm really worried and was hoping for some advice.