NanoRepro AG engages in the development, manufacture, and distribution of diagnostic tests and food supplements for home and professional use. The firm operates through the following segments: In-Vitro diagnostics for home and professional use; and Food supplements. It distributes its products under the AllergoCHECK, MilkCHECK, EggCHECK, FertiQUICK, OvuQUICK, GraviQUICK, VagiQUICK, MenoQUICK, GlutenCHECK, Heli-C-CHECK, FerritinCHECK, FOBCHECK, Alkohol Test and DrugTEST brands. The company was founded by Olaf Stiller in 2006 and is headquartered in Marburg, Germany.