1 To obtain hemoglobin, a pressure of E. coli micro organism that has the power to provide human hemoglobin is used. Synthetic hemoglobin-based merchandise are produced from hemoglobin harvested from an E. coli micro organism strain. There are 20 naturally occurring premium amino acids supplier acids that may be used to supply hemoglobin. There are two considerably completely different products that are below development as blood substitutes.