As a side note, in the earlier stages of my hair loss, I became so intrigued by the phenomenon of how many homeless people I saw around with perfect heads of hair I researched an article called: Can Vitamins Really Regrow Your Hair? To your point I was specifically referring to vitamins and minerals such as zinc, vitamin E, etc. as opposed to herbs such as saw palmetto. My conclusion at that time was that vitamins and minerals have a minimal effect. Certainly an interesting subject and, clearly, my research was by no means conclusive.