Hair Vitamins and other growth aids

Tried phytophanere hair tablets for 6 months, really expensive about $50 US per bottle (2 months worth in each bottle). I saw it in a magazine (very popular one) and it was all the rave, claims to improve hair and nails skin and vitality. It was Ok, but NOT worth that much money, I just never knew better. Now I am using futurebiotics about $15 US per bottle (1 1/2 months worth) about 2 weeks now will see how it does for me. Many people say it makes no sense taking them if you have a balanced diet and not deficient in any of these vitamins. I guess we will see in a couple weeks time I will give an update. If you have taken any vitamins or other product that you believed worked miracles do share.