Corning’s regular FBS is derived from government registered facilities in North, Central, and South America and outside the United States. All fetal bovine serum is derived from fetuses collected from healthy bovine cows and heifers that have passed ante and post mortem inspection and were found free of contagious diseases. The material was exported from the country of origin accompanied with a Veterinarian Health Certificate. Corning’s regular FBS is derived from government registered facilities in North, Central, and South America and outside the United States. All fetal bovine serum is derived from fetuses collected from healthy bovine cows and heifers that have passed ante and post mortem inspection and were found free of contagious diseases. The material was exported from the country of origin accompanied with a Veterinarian Health Certificate.