Defined Bioscience

Startup

Defined Bioscience, based in San Diego, is a pioneering biotech company dedicated to developing fully defined, best-in-class solutions for stem cell culture. Serving the life sciences, biopharmaceutical, and cultivated meat industries, Defined Bio delivers animal-free, serum-free products with no hidden or unknown components. The company offers a diverse catalog and customizable options for growth media, growth factors, and supplements to meet both small- and large-scale needs. Highlights include HiDef-B8, an innovative, animal-free, weekend-free growth medium for stem cells, and FGF2-G3, a thermostable FGF2 variant engineered for superior half-life and culture stability. Defined Bioscience is redefining quality and transparency in cell culture ingredients, empowering researchers and industry leaders to achieve reliable, reproducible results.