Although hair is the second fastest growing cell in our body, women everywhere are turning to dietary supplements that claim to quickly promote longer, thicker and stronger hair. But, are these powerful pills as safe as they claim to be? And more importantly, what are the side effects? We all want healthy hair, but not at the expense of harming the rest of our body. Our curiosity lead us to London-based Hair Specialist, Natasha Dennis IAT and Elizabeth Cunnane Phillips, a trichologist at the Philip Kingsley Clinic in New York for answers. Read along and decide for yourself if taking supplements is for you.