How to Increase Hemoglobin Handful of peanuts with a little jaggery are the most advisable breakfast or evening snacks for people with severe anemia and to increase hemoglobin level in blood cells. You may eat raisins (Kismish) with any food as an Iron source, but make sure you do not have any restrictions to sugars, as in case of Diabetes Vitamin C-rich Foods helps your body to absorb the iron from your diet. You can get vitamin C from many fruits and vegetables including mangoes,