<unk> , also called vitamin B7, is one of the B vitamins. It is involved in a wide range of metabolic processes, both in humans and in other organisms, primarily related to the utilization of fats, carbohydrates, and amino acids. The name<unk>  derives from the Greek word “bios” (to live) and the suffix “-in” (a general chemical suffix used in organic chemistry).
Biotin
Selenous acid
Zinc
Iron
Copper 
Cerate
Sybil 
Calamine