Some time ago I asked for advice on nails that just look terrible. It seems that at that time someone recommended some vitamin to take that will strengthen my nails. Does anyone have a clue what vitamin it was? It seems to me like it could have been one of the B vitamins. I have tried several brands of nail covering but nothing helps for me. My nails are so rough along the edges and no matter how I file or what I file with, the next thing I know...they're rough again. Oooh, how I envy anyone with long pretty nails. Luck you!! Thanks for your help. I'll try doing something for them from the inside this time.