GcMAF
GcMAF (or Gc protein-derived macrophage activating factor) is a protein produced by modification of vitamin D-binding protein. It has been falsely promoted as a treatment for various medical conditions, but claims of its benefits are not supported by evidence.
Once proclaimed a 'magic protein' capable of curing cancer, GcMAF has been proven ineffective. The case sheds light on how far scammers are willing to go to exploit desperate cancer patients and their families for financial gain.
Public warning issued by the Anticancer Fund
Biochemically, GcMAF results from sequential deglycosylation of the vitamin D-binding protein (the Gc protein), which is naturally promoted by lymphocytes (B and T cells). The resulting protein may be a macrophage activating factor (MAF). MAFs are lymphokines that control the expression of antigens on the surface of macrophages, and one of their functions is to make macrophages become cytotoxic to tumors.