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.
There are three main types of anemia: that due to blood loss, that due to decreased red blood cell production, and that due to increased red blood cell breakdown. Causes of blood loss include trauma and gastrointestinal bleeding, among others. Pernicious anemia is caused by a lack of intrinsic factor, which is required to absorb vitamin B 12 from food. 2  A lack of intrinsic factor may arise from an autoimmune condition targeting the parietal cells (atrophic gastritis) that produce intrinsic factor or against intrinsic factor itself.