In order to boost hemoglobin levels, you can increase your intake of iron, vitamin C and folic acid. These nutrients can be found in nutritional supplements or specific foods, such as beetroots, apples or black-strap molasses, according to Top 10 Home Remedies.
Iron can be found in red meat, spinach, tofu and almonds, notes the Health Site. Vitamin C can be found in citrus fruits, bell peppers, broccoli and tomatoes. Folic acid can be found in green leafy vegetables, rice, peanuts and bananas.
Hemoglobin is responsible for taking oxygen to the body's tissue, as well as for ridding the tissue of carbon dioxide, states Top 10 Home Remedies.