Our medium without serum can be tailored to your specific cell culture needs. For complete medium, add 5-20% serum (defined FBS or equivalent) (not included) and animal derived growth factor, CultureBoost (4CB-500) or human recombinant growth factor, CultureBoost-R (4CB-500-R). This kit consists of 500mL Medium Without Serum and 10mL Attachment Factor (extracellular matrix reagent for coating flasks). 4Z3-500-S is certified and intended for experimental application. The media is phenol-red free with no added hormones or antibiotics for optimized experimental conditions. It is certified to be used with more than 100 human and animal cell cultures and cell lines. Large quantities? Contact Fisher Scientific sales representative to discuss your bulk order needs. Research on a tight deadline? Our products are available for next-day delivery after the purchase order is received. Maximize your results! Try our Primary Human Cells and Passage Reagent (4Z0-800), both available for purchase.