Nov. 08, 2025
Fetal bovine serum plays a crucial role in cell culture, providing the essential environment for cells to thrive. At ExCell Bio, we recognize the importance of reliable and high-quality fetal bovine serum in supporting diverse research and production activities. Our experience in supplying fetal bovine serum for cell culture systems allows us to appreciate the intricate balance of nutrients and factors that this natural medium offers. FBS is a light brown clarified liquid derived from fetal bovine blood, obtained after coagulation and removal of fibrinogen and certain coagulation factors from plasma. Its comprehensive composition makes it indispensable in maintaining healthy and functional cell cultures.
Nutrient Composition and Its Role in Cell Growth
One of the key features of fetal bovine serum for cell culture is its rich nutrient profile. It contains amino acids, vitamins, inorganic salts, and lipids that are essential for maintaining cellular functions. At ExCell Bio, we understand that each of these components contributes to the metabolic and structural needs of cultured cells. Amino acids act as building blocks for proteins, while vitamins serve as co-factors in enzymatic reactions. Lipids provide structural support for cell membranes and energy storage, and inorganic substances help maintain osmotic balance. By ensuring a balanced nutrient environment, FBS facilitates optimal proliferation and viability of cells across various applications.
Growth Factors and Protective Proteins
Beyond basic nutrients, FBS provides a range of growth factors and binding proteins that actively stimulate cell proliferation. Hormones such as insulin, and growth factors including bFGF, EGF, and PDGF, are naturally present in fetal bovine serum, promoting cell division and differentiation. Transferrin supports iron transport and cellular metabolism. In addition, FBS functions as a protective agent by detoxifying, buffering, and inhibiting protease activity, which safeguards cells from environmental stress. At ExCell Bio, we take particular care to supply fetal bovine serum for cell culture that is free from mycoplasma and bovine viruses such as BVDV, PI3, IBR, and BTV, ensuring consistent performance and safety in research and production settings.
Our Commitment to Quality and Supply
We at ExCell Bio collect fetal bovine serum from healthy cattle in non-epidemic regions, processing it through aseptic collection, batch mixing, and triple 100 nm filtration. This rigorous approach ensures that our FBS meets the high standards required by cell culture applications in biotechnology and pharmaceutical industries. By providing a consistent and nutrient-rich medium, we support laboratories and production facilities in achieving reliable experimental results and efficient cell growth.
Conclusion
In summary, fetal bovine serum for cell culture is more than just a supplement; it is a comprehensive support system supplying amino acids, vitamins, growth factors, hormones, and protective proteins. At ExCell Bio, our commitment to high-quality FBS helps researchers and manufacturers maintain healthy cell cultures while minimizing risks. By understanding the specific nutrients and growth factors present in FBS, laboratories can optimize their cell culture systems and ensure reproducible outcomes. Reliable supply, meticulous processing, and attention to safety are central to our approach, allowing us to meet the diverse needs of the life sciences and biopharmaceutical sectors.
Our Products