Vegetables , chicken liver , nuts , bananas , cabbage , all contain a lot of folic acid. You can also eat apples , bananas , mangoes , watermelons as iron. Eat foods rich in vitamin C (any fruits / vegetables with vitamin C such as papaya , orange , cauliflower, etc.). Pomegranates and grapes are also very helpful in increasing hemoglobin. Can (such as eggs , apples , watermelons , bananas , olives, etc.).