Additionally, add foods high in folic acid, like peanuts, which may help you improve your red blood cell production over time. To raise hemoglobin with supplements, ask your doctor about natural remedies like nettle leaf and chitosan, which can help to increase hemoglobin levels. Right from boosting hemoglobin levels to increasing red blood cell production to supporting better circulation, adding these 10 nutrient-rich foods into your diet can make a significant difference. Nutrients and oxygen in the body are transferred from one part of the body to the other via blood. Hemoglobin, a protein in the blood, plays an important role in transferring oxygen to all parts of your body. Struggling with low haemoglobin? Discover the best foods that improve haemoglobin, home remedies, and expert tips to increase haemoglobin naturally!