The reagents in this category offer a diverse range of formulations and delivery methods, tailored to different cell types and various experimental applications. These reagents can be chemical complexes, viruses, or bacteria capable of delivering RNA molecules into cells. The importance of these reagents in molecular and genetic biology research lies in their ability to enable precise studies of cellular functions and molecular interactions. Additionally, these reagents play a crucial role in the development of innovative RNA-based therapies, offering promising prospects for the treatment of numerous diseases. This introduction highlights the central role of RNA transfection reagents in scientific research and the development of new therapeutic approaches. Thanks to their versatility and effectiveness, these reagents represent indispensable tools for researchers working on a variety of projects ranging from disease characterization to the discovery of new treatments. With their ability to facilitate targeted delivery of RNA molecules, these reagents empower scientists to unravel the complexities of cellular processes and pave the way for advancements in biomedical research and clinical treatments.