R&D System designs, manufactures, and validates media supplements for use in a variety of cell culture systems. We offer serum-free supplements for commonly-used laboratory cell lines as well as for more specialized cells, such as primary neurons and stem cells. All of our supplements are designed, produced, and validated in-house. Each lot of supplement is checked for performance consistency by our in-house quality team, relieving you of unnecessary batch-to-batch screening. Stop worrying about your media and to start getting optimal cell growth and differentiation.