The product is a recombinant version of human alpha-fetoprotein (hAFP), an immunomodulatory serum protein normally produced at very high levels by the fetus and present in low levels in the blood of adults and children. Recombinant human alpha-fetoprotein https://www.creativebiomart.net/therapeutic-proteins/p/199/recombinant-human-alpha-fetoprotein-hafp/