biosyn Arzneimittel

biosyn Arzneimittel is a family-owned pharmaceutical and biotech company based in Fellbach, Germany, specializing in trace elements, intensive care, and oncology. The company is a world leader in the production of high-purity Keyhole Limpet Hemocyanin (KLH), used both as a therapeutic for bladder cancer and as an adjuvant or carrier protein in immunotherapy and vaccine development. Their product portfolio includes Selenase, a leading selenium preparation for treating deficiency and supporting patients in intensive care and oncology. biosyn operates its own GMP-certified manufacturing facilities and maintains a global distribution network covering over 25 countries. The company is recognized for its sustainable sourcing of KLH from the California Keyhole Limpet. Through its focus on niche medical needs, biosyn has established itself as a key player in the global supply chain for specialized immunotherapies.