Grains. 1  Buckwheat - 82% carbs, 12% protein, 6% fat. 2  Millet - 82% carbs, 11% protein, 7% fat. 3  Oats - 70% carbs, 15% protein, 15% fat. 4  Quinoa - 70% carbs, 15% protein, 15% fat. 5  Whole wheat flour - 81% carbs, 14.5% protein, 4.5% fat.
Possible causes of anemia include: 1  Certain medications. 2  Destruction of red blood cells earlier than normal (which may be caused by immune system problems) 3  Long-term (chronic) diseases such as chronic kidney disease, cancer, ulcerative colitis, or rheumatoid arthritis.
1 Anemia from active bleeding: Loss of blood through heavy menstrual bleeding or wounds can cause anemia. Gastrointestinal ulcers or cancers such as cancer of the colon may slowly ooze blood and can also cause anemia.  Iron deficiency anemia: The bone marrow needs iron to make red blood cells.