The serum comes from healthy male and female donors without drug treatment between 18 and 66 years old. The result is a very high quality product.  
No buffer or preservatives are added. Quickly frozen at -80° C, the plasma maintains perfectly intact the matrix.
All plasmas are stable when stored at -40° C to -80° C.
We carefully pack with dry ice during shipment. No additive or preservative. Expiry date > 1 year. Plastic vials.