With surgery I had blood transfusions. Now Dr says maybe I should have had more How can I build up my blood?

Answer 1

It will build back up naturally, just make sure you stay well hydrated.

Without drugs (like EPO) it will just take time. I don't know of any natural way to increase the rate at which blood is replenished. If you start to bruise easily or feel light headed and it doesn't get better, tell the doc.

B12 is needed for red blood cell production, so make sure you get that in a vitamin or through diet. (meat, eggs, dairy products) However, lack of B12 is rare nowadays. So just eat healthy.