A low red blood cell (RBC) count increases the risk of anemia. Ways of boosting RBCs include eating foods that contain iron, vitamins B12 and B9, vitamin C, vitamin A, and copper. Increasing exercise ...

Medically reviewed by Yasmine S. Ali, MD, MSCIMedically reviewed by Yasmine S. Ali, MD, MSCI The red blood cell (RBC) count is a test that measures the number of oxygen-carrying blood cells in your ...