Used to enhance transfection efficiency in HEK293 cells, this supplement improves the delivery and expression of nucleic acids such as plasmid DNA and RNA. It supports higher protein yields in transient transfection workflows, making it valuable for recombinant protein production, viral vector manufacturing, and gene function studies. Commonly applied in biopharmaceutical research and development, especially in the production of monoclonal antibodies, vaccines, and gene therapy vectors. The supplement helps maintain cell viability during transfection, reducing cytotoxicity and improving consistency across experiments. It is often used in combination with common transfection reagents to optimize performance in high-throughput and scalable culture systems.