Corning offers a broad range of other media growth supplements. Some products are specific to cell type, such as SMC4 (for iPSCs) and T-Cell culture supplement (for T-cells), while other products promote proliferation in a wide variety of cell types. Reducing serum use is made easy with products such as ITS and Corning Nu-Serum™. Corning offers a broad range of other media growth supplements. Some products are specific to cell type, such as SMC4 (for iPSCs) and T-Cell culture supplement (for T-cells), while other products promote proliferation in a wide variety of cell types. Reducing serum use is made easy with products such as ITS and Corning Nu-Serum™.