FSC Head High Vitamins 60vegicaps. FSC Head High contains Choline & Inositol are fat controlling factors, part of the hair's natural oils. Zinc is an essential part of several key enzymes in hair protein metabolism. Manganese & Copper are trace minerals essential for enzymes. Copper is also important for maintaining hair colour. Iron & Vitamin B12 are essential for the production of red blood cells. Kelp is a rich source of iodine, also necessary for healthy hair.