Learn how to use this product Fetal Bovine Serum (FBS), Low Endotoxin, is a widely used serum in eukaryotic cell culture, generally as a supplement for growth media. FBS contains nutritional and embryonic growth promoting factors that are essential for a successful cell culture. Further, FBS contains various small molecules, such as lipids, amino acids, hormones, and sugars. FBS is the blood component obtained after coagulation and removal of cellular components. This unique and comprehensive mix makes FBS one of the most essential supplements for supporting cell growth and proliferation for in vitro cell culture. The fetal bovine serum for cell culture supports most cell lines and undergoes strict quality controls. This product is collected in South America. FBS, Low Endotoxin, is a selected FBS with an endotoxin level lower than 1 EU/ml. It is especially suitable for sensitive cells, primary cell culture, and hybridoma cloning.