Resurge CD Pak are a diverse set of chemically defined supplement formulations to complement a variety of base media. The CD PAK contains one of each Resurge supplement: CD1, CD2, CD3, CD4, and CD5 at 100 grams each. The supplements have been developed using several host cell lines and in various culture systems, including shaker flasks and bench-scale bioreactors. In order to increase versatility of the formulation, glucose and L-glutamine are not included in the final formulations. Therefore, these two components should be added by users and monitored as appropriate.