Tăng lượng sắt nạp vào cơ thể. Uống vitamin B12. Bổ sung folate (a-xít folic). Hạn chế lượng rượu bia.

I'm interested in that, but I only have a few mins. Can you give me at most the first 500 characters of a detailed explanation in English about that?
If you take an iron supplement as directed by your doctor, you should be able to improve your iron levels over time, which may treat anemia caused by iron deficiency. There are some side effects from iron supplementation, including dark stools, stomach upset, heartburn, and constipation. If your anemia is mild, your doctor may just recommend that you eat more iron-rich foods. The following are good sources of iron:  Red meat (beef and liver) Poultry (chicken and turkey) Seafood Cereals and bread