Supplements cell culture with amino acids, vitamins, glucose, trace elements, and growth factors. Manufactured to meet cGMP manufacturing standards and QC specifications. Improve productivity and cell yield in fed-batch cultures by supplementing the cell culture medium to replace nutrients depleted during cell culture. HyClone™ Cell Boost™ 4 Supplement provides amino acids, vitamins, glucose, trace elements, and growth factors to support fed-batch cultures suitable for research and bioprocessing applications. It is available as a convenient ready-to-use liquid feed solution or as a dry powder feed to be hydrated before use.