We provide a range of antibiotics that can help control and eliminate cell culture contaminations. Antibiotics are secondary metabolites which are produced by some, but not all, strains of bacteria and fungi. In many standard cell culture protocols, antibiotics have long been used to prevent the growth of contaminating bacteria and fungi. Whilst it often debated that antibiotics may effect the morphology and physiology of your cells in culture but this is not the case when used at the optimum concentration. Antibiotics prevent the loss of valuable cells and prevent to loss of considerable time and effort by avoiding contamination.