Vitamin deficiencies are a common problem, and they can cause a number of health problems. One of the most common vitamin deficiencies is anemia, which affects your blood cells and causes them to be less effective. Anemia can lead to fatigue, shortness of breath, dizziness, and other symptoms that make it difficult for you to live your life normally.
There are many different types of vitamins you can take if you’re experiencing symptoms of anemia or are just looking for a way to improve your overall health. In this article, we’ll talk about some of the best vitamins for anemia and how you can use them to help treat or prevent anemia in your body.
What Vitamins For Anemia
Objective: While iron deficiency is regarded as the major cause of nutritional anaemia, changes in vitamins A, B12, C and E, folic acid and riboflavin status have also been linked to its development and control. This paper provides a systematic review of vitamin supplementation trials relating to the control of nutritional anaemia.
Methods: A MEDLINE search was used to find reports of vitamin supplementation trials that reported changes in anaemia or iron status.
Results: Vitamin A can improve haematological indicators and enhance the efficacy of iron supplementation. Both folate and vitamin B12 can cure and prevent megaloblastic anaemia. Riboflavin enhances the haematological response to iron, and its deficiency may account for a significant proportion of anaemia in many populations. Vitamin C enhances the absorption of dietary iron, although population-based data showing its efficacy in reducing anaemia or iron deficiency are lacking. Vitamin E supplementation given to preterm infants has not reduced the severity of the anaemia of prematurity. Vitamin B6 effectively treats sideroblastic anaemia. Multivitamin supplementation may raise haemoglobin (Hb) concentration, but few studies have isolated the effect of multivitamins from iron on haematological status.
Conclusions: In general, the public health impact of vitamin supplementation in controlling anaemia is not clear. Neither are the complex interactions involving multiple vitamins in haematopoiesis sufficiently understood to explain the observed variability in haematological responses to vitamins by age, population, vitamin mixture and dosages. Further research is needed to understand the roles of individual and combined vitamin deficiencies on anaemia to design appropriate micronutrient interventions to prevent anaemia.
Vitamin deficiency anemia is a lack of healthy red blood cells caused by lower than usual amounts of vitamin B-12 and folate.
This can happen if you don’t eat enough foods containing vitamin B-12 and folate, or if your body has trouble absorbing or processing these vitamins.
Without these nutrients, the body produces red blood cells that are too large and don’t work properly. This reduces their ability to carry oxygen.
Symptoms can include fatigue, shortness of breath and dizziness. Vitamin supplements, taken by pill or injection, can correct the deficiencies.
Symptoms
Vitamin deficiency anemia usually develops slowly over several months to years. Signs and symptoms may be subtle at first but usually increase as the deficiency worsens. These may include:
- Fatigue
- Shortness of breath
- Dizziness
- Pale or yellowish skin
- Irregular heartbeats
- Weight loss
- Numbness or tingling in the hands and feet
- Muscle weakness
- Personality changes
- Unsteady movements
- Mental confusion or forgetfulness
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Causes
Vitamin deficiency anemia can occur if you don’t eat enough foods containing vitamin B-12 and folate, or if your body has trouble absorbing or processing these vitamins.
Vitamin B-12 deficiencies
Low levels of vitamin B-12 can be caused by:
- Diet. Vitamin B-12 is mainly found in meat, eggs and milk, so people who don’t eat these types of foods may need to take B-12 supplements. Some foods have been fortified with B-12, including some breakfast cereals and some nutritional yeast products.
- Pernicious anemia. This condition occurs when the body’s immune system attacks cells in the stomach that produce a substance called intrinsic factor. Without this substance, B-12 can’t be absorbed in the intestines.
- Gastric surgeries. If portions of your stomach or intestines have been surgically removed, that can reduce the amount of intrinsic factor produced and the amount of space available for vitamin B-12 to be absorbed.
- Intestinal problems. Crohn’s disease and celiac disease can interfere with absorption of vitamin B-12, as can tapeworms that may be ingested from eating contaminated fish.
Folate deficiencies
Also known as vitamin B-9, folate is a nutrient found mainly in dark green leafy vegetables and liver. A folate deficiency can occur when people don’t eat foods containing folate or their bodies are unable to absorb folate from food.
Absorption problems may be caused by:
- Intestinal diseases such as celiac disease
- Surgical removal or bypass of a large part of the intestines
- Excessive alcohol consumption
- Prescription drugs, such as some anti-seizure medications
Pregnant women and women who are breastfeeding have an increased demand for folate, as do people undergoing dialysis for kidney disease.
A lack of folate can cause birth defects during pregnancy. However, folate deficiency is less common now in countries that routinely add folate to food products such as breads, cereals and pasta.
Complications
Being deficient in vitamin B-12 or folate increases your risk of many health problems, including:
- Pregnancy complications. A developing fetus that doesn’t get enough folate from its mother can develop birth defects of the brain and spinal cord.
- Nervous system disorders. Untreated, vitamin B-12 deficiency can lead to neurological problems, such as persistent tingling in the hands and feet or problems with balance. It can lead to mental confusion and forgetfulness because vitamin B-12 is necessary for healthy brain function.
- Gastric cancer. Pernicious anemia increases the risk of stomach or intestinal cancers.
Prevention
You can prevent some forms of vitamin deficiency anemia by choosing a healthy diet that includes a variety of foods.
Foods rich in vitamin B-12 include:
- Beef, liver, chicken and fish
- Eggs
- Fortified foods, such as breakfast cereals
- Milk, cheese and yogurt
Foods rich in folate include:
- Broccoli, spinach, asparagus and lima beans
- Oranges, lemons, bananas, strawberries and melons
- Enriched grain products, such as bread, cereal, pasta and rice
- Liver, kidneys, yeast, mushrooms and peanuts
Most adults need these daily dietary amounts of the following vitamins:
- Vitamin B-12 — 2.4 micrograms (mcg)
- Folate or folic acid — 400 mcg
Pregnant and breastfeeding women may require more of each vitamin.
Most people get enough vitamins from the foods they eat. But if your diet is restricted or you’ve had gastric bypass surgery, you may wish to take a multivitamin.
By Mayo Clinic Staff
Anemia is a condition in which you lack enough healthy red blood cells to carry adequate oxygen to your body’s tissues. Having anemia, also referred to as low hemoglobin, can make you feel tired and weak.
There are many forms of anemia, each with its own cause. Anemia can be temporary or long term and can range from mild to severe. In most cases, anemia has more than one cause. See your doctor if you suspect that you have anemia. It can be a warning sign of serious illness.
Treatments for anemia, which depend on the cause, range from taking supplements to having medical procedures. You might be able to prevent some types of anemia by eating a healthy, varied diet.
Types
- Aplastic anemia
- Iron deficiency anemia
- Sickle cell anemia
- Thalassemia
- Vitamin deficiency anemia
Symptoms
Anemia signs and symptoms vary depending on the cause and severity of anemia. Depending on the causes of your anemia, you might have no symptoms.
Signs and symptoms, if they do occur, might include:
- Fatigue
- Weakness
- Pale or yellowish skin
- Irregular heartbeats
- Shortness of breath
- Dizziness or lightheadedness
- Chest pain
- Cold hands and feet
- Headaches
At first, anemia can be so mild that you don’t notice it. But symptoms worsen as anemia worsens.
When to see a doctor
Make an appointment with your doctor if you feel fatigued and you don’t know why.
Fatigue has many causes besides anemia, so don’t assume that if you’re tired you must be anemic. Some people learn that their hemoglobin is low, which indicates anemia, when they donate blood. If you’re told that you can’t donate because of low hemoglobin, make an appointment with your doctor.
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Causes
Anemia can be due to a condition present at birth (congenital) or to a condition you develop (acquired). Anemia occurs when your blood doesn’t have enough red blood cells.
This can happen if:
- Your body doesn’t make enough red blood cells
- Bleeding causes you to lose red blood cells more quickly than they can be replaced
- Your body destroys red blood cells
What red blood cells do
Your body makes three types of blood cells — white blood cells to fight infection, platelets to help your blood clot, and red blood cells to carry oxygen from your lungs to the rest of your body and carbon dioxide from the body back to the lungs.

Red blood cells contain hemoglobin — an iron-rich protein that gives blood its red color. Hemoglobin enables red blood cells to carry oxygen from your lungs to all parts of your body and to carry carbon dioxide from other parts of the body to your lungs to be exhaled.
Most blood cells, including red blood cells, are produced regularly in your bone marrow — a spongy material found within the cavities of many of your large bones. To produce hemoglobin and red blood cells, your body needs iron, vitamin B-12, folate and other nutrients from the foods you eat.
Causes of anemia
Different types of anemia have different causes. They include:
- Iron deficiency anemia. This most common type of anemia is caused by a shortage of iron in your body. Your bone marrow needs iron to make hemoglobin. Without adequate iron, your body can’t produce enough hemoglobin for red blood cells.Without iron supplementation, this type of anemia occurs in many pregnant women. It’s also caused by blood loss, such as from heavy menstrual bleeding; an ulcer in the stomach or small bowel; cancer of the large bowel; and regular use of some pain relievers that are available without a prescription, especially aspirin, which can cause inflammation of the stomach lining resulting in blood loss. It’s important to determine the source of iron deficiency to prevent recurrence of the anemia.
- Vitamin deficiency anemia. Besides iron, your body needs folate and vitamin B-12 to produce enough healthy red blood cells. A diet lacking in these and other key nutrients can cause decreased red blood cell production. Some people who consume enough B-12 aren’t able to absorb the vitamin. This can lead to vitamin deficiency anemia, also known as pernicious anemia.
- Anemia of inflammation. Certain diseases — such as cancer, HIV/AIDS, rheumatoid arthritis, kidney disease, Crohn’s disease and other acute or chronic inflammatory diseases — can interfere with the production of red blood cells.
- Aplastic anemia. This rare, life-threatening anemia occurs when your body doesn’t produce enough red blood cells. Causes of aplastic anemia include infections, certain medicines, autoimmune diseases and exposure to toxic chemicals.
- Anemias associated with bone marrow disease. A variety of diseases, such as leukemia and myelofibrosis, can cause anemia by affecting blood production in your bone marrow. The effects of these types of cancer and cancer-like disorders vary from mild to life-threatening.
- Hemolytic anemias. This group of anemias develops when red blood cells are destroyed faster than bone marrow can replace them. Certain blood diseases increase red blood cell destruction. You can inherit a hemolytic anemia, or you can develop it later in life.
- Sickle cell anemia. This inherited and sometimes serious condition is a hemolytic anemia. It’s caused by a defective form of hemoglobin that forces red blood cells to assume an abnormal crescent (sickle) shape. These irregular blood cells die prematurely, resulting in a chronic shortage of red blood cells.
Risk factors
These factors place you at increased risk of anemia:
- A diet lacking in certain vitamins and minerals. A diet consistently low in iron, vitamin B-12, folate and copper increases your risk of anemia.
- Intestinal disorders. Having an intestinal disorder that affects the absorption of nutrients in your small intestine — such as Crohn’s disease and celiac disease — puts you at risk of anemia.
- Menstruation. In general, women who haven’t had menopause have a greater risk of iron deficiency anemia than do men and postmenopausal women. Menstruation causes the loss of red blood cells.
- Pregnancy. Being pregnant and not taking a multivitamin with folic acid and iron, increases your risk of anemia.
- Chronic conditions. If you have cancer, kidney failure or another chronic condition, you could be at risk of anemia of chronic disease. These conditions can lead to a shortage of red blood cells.Slow, chronic blood loss from an ulcer or other source within your body can deplete your body’s store of iron, leading to iron deficiency anemia.
- Family history. If your family has a history of an inherited anemia, such as sickle cell anemia, you also might be at increased risk of the condition.
- Other factors. A history of certain infections, blood diseases and autoimmune disorders increases your risk of anemia. Alcoholism, exposure to toxic chemicals and the use of some medications can affect red blood cell production and lead to anemia.
- Age. People over age 65 are at increased risk of anemia.
Complications
Left untreated, anemia can cause many health problems, such as:
- Extreme fatigue. Severe anemia can make you so tired that you can’t complete everyday tasks.
- Pregnancy complications. Pregnant women with folate deficiency anemia can be more likely to have complications, such as premature birth.
- Heart problems. Anemia can lead to a rapid or irregular heartbeat (arrhythmia). When you’re anemic your heart pumps more blood to make up for the lack of oxygen in the blood. This can lead to an enlarged heart or heart failure.
- Death. Some inherited anemias, such as sickle cell anemia, can lead to life-threatening complications. Losing a lot of blood quickly results in acute, severe anemia and can be fatal. Among older people, anemia is associated with an increased risk of death.
Prevention
Many types of anemia can’t be prevented. But you can avoid iron deficiency anemia and vitamin deficiency anemias by eating a diet that includes a variety of vitamins and minerals, including:
- Iron. Iron-rich foods include beef and other meats, beans, lentils, iron-fortified cereals, dark green leafy vegetables and dried fruit.
- Folate. This nutrient, and its synthetic form folic acid, can be found in fruits and fruit juices, dark green leafy vegetables, green peas, kidney beans, peanuts, and enriched grain products, such as bread, cereal, pasta and rice.
- Vitamin B-12. Foods rich in vitamin B-12 include meat, dairy products, and fortified cereal and soy products.
- Vitamin C. Foods rich in vitamin C include citrus fruits and juices, peppers, broccoli, tomatoes, melons and strawberries. These also help increase iron absorption.
If you’re concerned about getting enough vitamins and minerals from food, ask your doctor whether a multivitamin might help.