Here is a link
http://www.webmd.com/vitamins-supplements/ingredientmono-299-INOSITOL.aspx?activeIngredientId=299&activeIngredientName=INOSITOL
Not ignoring your post...I just have never tried it. The over the counter stuff tends to not work as well, if at all, as the antidepressants. Someone on here is trying Inositol so hopefully we will get some input from her as to whether she is getting relief.