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.
Broadly, causes of anemia may be classified as impaired red blood cell (RBC) production, increased RBC destruction (hemolytic anemias), blood loss and fluid overload (hypervolemia).