A<unk>  is a nutrient required for the formation of blood cells in the process of hematopoiesis. The main<unk> s are iron, B12, and folate. Deficiency in<unk> s can lead to anaemia. In cases of<unk>  deficiency,<unk> s can be administered as medicines, in order to increase the hemoglobin content of the blood. Erythropoietin (EPO) is a hormone that stimulates erythropoiesis, which can also be given as a medicine to increase the hemoglobin content of the blood, but EPO is not classified as a<unk>  as it is not considered a nutrient, but a hormone.
Hematinic
Chyme
Toxoid
Smelling salts
Cold
Heteroecious
Mold
Cathartic