I haven't, but I looked at the ingredients they had on the website and it seems to have a significant less amount of stuff compared to "Maxihair" vitamins. You can find those very cheap and they worked very well. If you go to www.sawnsonvitamins.com you can get them for less than $10.
Hair: 3a, normal porosity and elasticity
My hair loves: Vatika and Bhringraj oils, adores henna.
My HGs: Bobeam's shampoo bars, CJAO, CJRM, Original Moxie's Hair Bling, Terressentials,

Let's hear it for beautiful curls!!!