Colostrum-derived<unk> s Long-term oral administration of colostrum-derived<unk> s has been shown to be safe. Blood-derived<unk> s Human-derived<unk>  appears to be safe for use for up to two years and bovine-derived cellular (from blood sources)<unk>  for up to three months. Side effects include fever and swelling and pain at the injection site. Concern has been raised over the possibility of catching Bovine spongiform encephalopathy (Mad Cow Disease) or other diseases from animal blood-derived products.<unk> s are contraindicated for women who are pregnant or breastfeeding. When human- and bovine-derived<unk>  are generated from blood cells they carry the potential for blood-borne disease such as HIV/AIDS and Hepatitis C.
Transfer factor
Hemostat
Coagulase
Fibrinolysin
Intrinsic factor
Serpin
Phototoxin
Hemotoxin