Hi., I can understand your concern.
Anemia ia deficiency of red blood cells or hemoglobin which are necessary for oxygen carrying.
Iron and
b12 are essential nutrients, they lack and results in some symptoms some weakness, giddiness, low energy In their deficiencies.
Yes both iron and b12 are related in anemia.
You can plan for
CBC test
B12 test
Iron profile.
To know their levels.