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What to eat for low red blood cell count? 5 foods to quickly increase red blood cells
Do you often feel tired, dizzy, and worried about what to eat when you have low red blood cell count? Don't worry, increasing red blood cell count naturally can be improved through your daily diet. Be proactive and immediately supplement with iron-rich foods, folic acid, copper, and B vitamins to boost blood production, prevent anemia, and feel energized every day!
Increasing red blood cells is a concern for many people who frequently feel tired, dizzy, pale, or lack energy in their daily lives. According to the World Health Organization (WHO), iron deficiency anemia is one of the most common nutritional disorders worldwide, affecting billions of people of all ages. When the body does not produce enough healthy red blood cells, its ability to transport oxygen to organs decreases, leading to easy exhaustion and reduced work performance.
The good news is that in many cases, you can increase red blood cells through proper nutrition and lifestyle. Important nutrients such as iron, vitamin B12, folic acid, copper, and vitamin A play essential roles in red blood cell production. Additionally, supplementing with supportive vitamins like vitamin C and vitamin E, regular exercise, and limiting alcohol consumption can also help improve blood health naturally.
In this article, Tiptory will guide you on ways to increase red blood cells naturally, helping to improve anemia, enhance physical fitness, and support better daily body function.
Part 1: Red Blood Cell Boosting Diet: What to Eat for Blood Health?
Tip 1: Supplement with iron-rich foods
Iron is an important nutrient that helps the body produce red blood cells and form hemoglobin – the component responsible for transporting oxygen to organs. When iron is deficient, the number of red blood cells in the blood can decrease, increasing the risk of anemia, fatigue, and reduced physical strength. Therefore, increasing iron-rich foods is one of the simplest and most effective ways to increase red blood cells naturally.
To improve your red blood cell count, prioritize adding the following foods to your daily diet:
- Legumes such as lentils, peas, and other types of beans.
- Dark leafy greens such as kale, spinach, and other nutrient-rich green vegetables.
- Dried fruits such as prunes, raisins.
- Red meat such as beef, organ meats.
- Poultry such as chicken, duck.
- Fish and shellfish.
- Eggs.
- Iron-fortified cereals and bread.
Increase iron absorption to support red blood cell production
Beyond just consuming iron-rich foods, the body also needs to absorb iron effectively for blood production to occur smoothly.
- Combine iron-rich foods with vitamin C sources like oranges, tangerines, grapefruits, or guavas.
- Avoid drinking tea or coffee immediately after meals as they can reduce iron absorption.
- Maintain a balanced diet to support long-term red blood cell production.
Consider iron supplements
If your diet does not meet your needs or you are iron deficient, your doctor may recommend iron supplements to help increase your red blood cell count.
- Only take iron pills as directed by a healthcare professional.
- Do not arbitrarily increase the dose as excess iron can harm your health.
- Have regular check-ups to monitor blood count and assess supplement effectiveness.
Combining an iron-rich diet with appropriate treatment guidance will help the body improve its ability to produce blood, increase red blood cell levels, reduce anemia, and maintain better health.

Tip 2: Supplement with copper to support red blood cell production
Copper is an important trace mineral that helps the body utilize iron more effectively in the blood-making process. With sufficient copper, cells can properly metabolize and use iron to produce healthy red blood cells. If copper is deficient, red blood cell production can be affected even if iron levels in the body are normal.
To support natural red blood cell production, add copper-rich foods to your daily diet:
- Turkey meat.
- Shellfish such as oysters, clams, mussels.
- Organ meats.
- Whole grains.
- Dark chocolate.
- Legumes.
- Figs.
- Nuts such as cashews, almonds, and walnuts.
Combine copper and iron for optimal blood production
Copper and iron work together in the process of red blood cell production. Adequate supplementation of both these nutrients can help the body:
- Support more efficient hemoglobin formation.
- Increase oxygen transport capacity to organs.
- Reduce the risk of anemia related to micronutrient deficiencies.
- Improve fatigue, dizziness, and low energy levels.
Consider copper supplements
In some cases, your doctor may recommend copper supplements if your diet does not meet your nutritional needs.
- Only use as directed by a healthcare professional.
- Do not arbitrarily use high doses for long periods.
- Monitor your health regularly if you are using mineral supplements.
Ensure daily copper intake
Adults need adequate copper through a balanced diet to maintain blood production and overall health. Women of childbearing age may need to pay more attention to supplementing blood-forming micronutrients due to blood loss during monthly menstrual cycles.
Maintaining a diverse diet with copper-rich foods, combined with iron and essential vitamins, is one of the effective ways to increase red blood cells, help prevent anemia, and promote long-term health.

Tip 3: Supplement with folic acid to increase red blood cells
Folic acid, also known as vitamin B9, is an important nutrient involved in the production of red blood cells and the maintenance of healthy blood cells. When the body lacks folic acid, its ability to produce blood can be impaired, increasing the risk of anemia, fatigue, pale skin, and reduced concentration.
To support natural red blood cell production, prioritize supplementing with folic acid-rich foods in your daily meals:
- Cereals and fortified cereal products.
- Whole-grain bread.
- Dark leafy greens such as spinach, kale, and other green vegetables.
- Green peas.
- Lentils.
- Various types of beans.
- Nuts such as almonds, walnuts, and cashews.
Boost vitamin B9 from your diet
Maintaining a daily intake of folic acid-rich foods can offer many benefits for blood production:
- Supports the production of healthy red blood cells.
- Contributes to the prevention of folate-deficiency anemia.
- Supports more efficient oxygen transport in the body.
- Helps maintain stable energy levels and physical condition.
Consider folic acid supplements
In cases where the diet does not meet the needs, your doctor may recommend supplementing with folic acid in tablet form or as part of a multivitamin.
- Adults typically need about 400 mcg of folic acid daily.
- Pregnant women have higher needs, around 600 mcg daily.
- Multivitamins or prenatal vitamins often contain appropriate amounts of folic acid as recommended.
Folic acid not only helps with blood production
In addition to its role in supporting an increased red blood cell count, folic acid also participates in many important bodily functions:
- Supports the formation and development of new cells.
- Involved in the production and repair of DNA.
- Contributes to the healthy development of the fetus during pregnancy.
- Supports cardiovascular health and nervous system function.
Adequate supplementation of folic acid, combined with iron, copper, and other blood-forming vitamins, is a crucial foundation for increasing red blood cells, preventing anemia, and maintaining long-term health.

Tip 4: Supplement with vitamin A to support red blood cell production
Vitamin A (retinol) is not only beneficial for vision but also plays an important role in the production of red blood cells. This nutrient helps the body utilize and metabolize iron more effectively, thereby supporting the formation of hemoglobin – the main component of red blood cells responsible for transporting oxygen throughout the body.
When the body is supplied with enough vitamin A, blood production can proceed more smoothly, contributing to improving anemia and supporting natural red blood cell production.
Prioritize vitamin A-rich foods
To increase your daily intake of vitamin A, you can supplement with the following foods:
- Sweet potatoes.
- Carrots.
- Pumpkins.
- Dark leafy greens such as spinach and kale.
- Red bell peppers.
- Apricots.
- Grapefruits.
- Papayas.
- Mangoes.
- Cantaloupes.
These foods are not only rich in vitamin A but also contain many antioxidants and nutrients beneficial for overall health.
Benefits of vitamin A for blood production
Adequate vitamin A supplementation can bring many benefits for blood health and the body:
- Supports the production of healthy red blood cells.
- Increases the ability to use iron to produce hemoglobin.
- Contributes to improving oxygen transport.
- Helps reduce fatigue caused by anemia related to micronutrient deficiencies.
- Involved in cell development and regeneration.
Meet daily vitamin A needs
Vitamin A requirements vary depending on gender and health status:
- Adult women need about 700 mcg of vitamin A daily.
- Adult men need about 900 mcg of vitamin A daily.
Vitamin A supplementation should prioritize natural foods for balanced and safer absorption by the body.
Combine vitamin A with other blood-forming nutrients
To effectively increase red blood cells, vitamin A needs to be combined with other important nutrients such as iron, folic acid, vitamin B12, and copper. A diverse diet rich in vegetables, fruits, and micronutrient-rich foods will help the body maintain stable blood production, support the prevention of anemia, and promote long-term health.

Tip 5: Supplement with vitamin C to increase iron absorption
Vitamin C is an important nutrient that helps the body absorb iron more effectively. When vitamin C is combined with iron-rich foods or supplements, the amount of iron absorbed into the body can increase, thereby supporting the production of red blood cells and the formation of hemoglobin.
This is why many nutrition experts recommend supplementing with vitamin C in conjunction with measures to naturally increase red blood cells, especially in individuals at risk of iron deficiency or anemia.
Prioritize vitamin C-rich foods
You can increase your daily vitamin C intake through common foods such as:
- Oranges, tangerines, and grapefruits.
- Guavas.
- Kiwis.
- Strawberries.
- Papayas.
- Mangoes.
- Bell peppers.
- Broccoli.
- Tomatoes.
Including these foods in meals containing iron can help the body utilize iron sources better.
Combine vitamin C and iron correctly
To support an increase in red blood cell count, you can apply the following simple methods:
- Drink orange juice or eat vitamin C-rich fruits after iron-rich meals.
- Take vitamin C at the same time as iron supplements if directed by a doctor.
- Combine red meat, legumes, or dark leafy greens with vitamin C-rich foods in the same meal.
This combination helps optimize iron absorption and supports more effective blood production.
Notes when using vitamin C supplements
Although vitamin C offers many benefits, excessive use can still cause unwanted side effects.
- Do not arbitrarily use high doses for long periods.
- Individuals with a history of kidney stones should consult a doctor before supplementing with high doses.
- Prioritize supplementing with vitamin C from natural foods whenever possible.
Effective red blood cell increase through proper nutritional combination
Vitamin C does not directly produce red blood cells but plays a supportive role in iron absorption – an essential raw material in the blood-making process. When vitamin C is combined with iron, folic acid, vitamin B12, vitamin A, and copper, the body will have more favorable conditions to increase red blood cells, improve oxygen transport capacity, and maintain stable energy levels every day.

Part 2: Lifestyle Tips and Exercises to Increase Red Blood Cells at Home
Tip 1: Regular exercise to support red blood cell production
Alongside nutrition, regular exercise is one of the ways to help the body maintain healthy blood production. Exercise not only improves physical fitness but also supports enhanced oxygen transport, thereby contributing to the production of red blood cells and hemoglobin.
For individuals with low red blood cell counts or who frequently feel tired, appropriate exercise can bring many benefits to overall health.
Prioritize cardiovascular exercises
Forms of exercise that help the body use oxygen efficiently are often recommended to support natural red blood cell production, including:
- Brisk walking.
- Running.
- Cycling.
- Swimming.
- Jumping rope.
- Aerobic exercise.
If you're just starting, choose an intensity appropriate for your physical condition and gradually increase it over time.
How does exercise help the body produce red blood cells?
During exercise, muscles require more oxygen to function. To meet this demand, the body stimulates mechanisms related to blood production.
Potential benefits include:
- Increased efficiency of oxygen transport to tissues and organs.
- Support for hemoglobin production.
- Promotion of new red blood cell formation.
- Improved stamina and physical performance.
- Reduced fatigue due to tissue hypoxia.
Build safe exercise habits
For long-term effectiveness, maintain a reasonable exercise routine:
- Exercise at least 150 minutes per week at moderate intensity.
- Warm up thoroughly before exercise and cool down afterwards.
- Drink enough water before, during, and after exercise.
- Combine with adequate rest for body recovery.
- Stop exercising and consult a doctor if you experience dizziness, shortness of breath, or chest pain.
Combine exercise and nutrition for effective red blood cell increase
Exercise maximizes its benefits when combined with a diet rich in iron, vitamin B12, folic acid, vitamin A, and vitamin C. The combination of adequate nutrition and regular exercise will help increase red blood cells, improve oxygen transport capacity, enhance cardiovascular health, and maintain a stable energy source for the body every day.

Tip 2: Quit smoking and limit alcohol
If you are looking to increase red blood cells and improve blood health, eliminating harmful habits such as smoking and excessive alcohol consumption is an important step not to be overlooked. These habits can directly affect the blood's oxygen-carrying capacity and the process of red blood cell production in the body.
Changing your lifestyle not only supports natural red blood cell production but also helps reduce the risk of many cardiovascular, respiratory, and metabolic diseases.
Quit smoking to improve blood circulation
Cigarette smoke contains many toxins that can damage the circulatory system and reduce the efficiency of oxygen transport.
The negative effects of smoking include:
- Damage to blood vessel walls.
- Promoting plaque formation in arteries.
- Impeding blood flow to organs.
- Reducing the amount of oxygen delivered to tissues and cells.
- Increasing the risk of cardiovascular and respiratory diseases.
When you stop smoking, the circulatory system has a chance to gradually recover, helping the body use oxygen more efficiently and creating favorable conditions for red blood cell production.
Limit alcohol to protect bone marrow
Bone marrow is where blood cells, including red blood cells, are produced. Excessive and prolonged alcohol consumption can affect the function of this organ.
Some common effects include:
- Impairing the ability to produce red blood cells.
- Causing disorders in the hematopoiesis process.
- Producing poor-quality or inefficient red blood cells.
- Increasing the risk of deficiencies in essential vitamins and minerals for hematopoiesis.
Reducing or stopping alcohol consumption can help the body recover its blood-forming function better over time.
Build a healthy lifestyle to increase red blood cells
To support an increase in red blood cell count, combine abandoning harmful habits with other positive changes:
- Eat a balanced diet rich in iron and blood-forming vitamins.
- Exercise regularly.
- Get enough sleep every day.
- Drink enough water.
- Undergo regular health check-ups if there are signs of anemia or persistent fatigue.
These seemingly simple changes can help improve hematopoiesis, increase oxygen transport in the body, and contribute to long-term sustainable health.

Tip 3: Blood transfusion for severely low red blood cell count
In some cases, changes in diet, vitamin and mineral supplements, or lifestyle adjustments are not enough to improve a low red blood cell count. In such situations, a doctor may consider ordering a blood transfusion to quickly improve oxygen-carrying capacity and stabilize health.
This is a medical treatment applied to people with severe anemia or dangerously low red blood cell counts.
Perform tests to assess red blood cell status
Before deciding on a blood transfusion, doctors often request necessary tests to determine the cause and severity of anemia.
Assessment steps typically include:
- Clinical examination and symptom assessment.
- Performing a complete blood count (CBC).
- Checking the red blood cell count in the blood.
- Assessing hemoglobin levels and related indicators.
- Determining the cause of low red blood cells to select an appropriate treatment method.
Recognizing when a blood transfusion is needed
Not all cases of anemia require a blood transfusion. The treatment decision depends on the severity of anemia, clinical symptoms, and the patient's overall health condition.
Doctors may consider a blood transfusion when:
- Hemoglobin levels drop to very low levels.
- Severe symptoms appear, such as shortness of breath, rapid heart rate, prolonged dizziness, or significant weakness.
- The body does not respond well to conventional treatments.
- There is acute blood loss or severe anemia requiring rapid intervention.
What is packed red blood cell transfusion?
In many cases, doctors will use packed red blood cell products instead of transfusing whole blood.
This method helps to:
- Directly supplement the deficient red blood cells.
- Improve the body's oxygen-carrying capacity.
- Rapidly alleviate symptoms caused by severe anemia.
- Limit the transfusion of unnecessary blood components.
Monitoring health after treatment
After a blood transfusion or anemia treatment, patients still need to maintain an appropriate healthcare regimen:
- Adhere to follow-up appointments as instructed by the doctor.
- Monitor blood counts regularly.
- Maintain a diet rich in iron, vitamin B12, folic acid, and vitamin C.
- Treat the underlying cause of low red blood cells if present.
- Build a healthy lifestyle to support long-term blood production.
If a low red blood cell count persists or signs such as severe fatigue, pale skin, shortness of breath, or rapid heart rate appear, seek medical attention early for evaluation and timely treatment. Correctly identifying the cause will help effectively improve the red blood cell count and reduce the risk of anemia-related complications.

Tip 4: Regular health check-ups to monitor red blood cells
One of the most effective ways to manage a low red blood cell count is through regular health check-ups. Blood tests accurately assess red blood cell count, hemoglobin levels, and many other important indicators related to hematopoietic health.
Regular checks also help detect potential underlying conditions that may cause a decrease in red blood cell count early, leading to appropriate and timely treatment.
Undergo annual health checks
Regular general check-ups offer many benefits for monitoring blood health:
- Assessing red blood cell count and hematological indices.
- Early detection of anemia.
- Checking for conditions that may affect blood production.
- Monitoring the effectiveness of current dietary and treatment plans.
- Proactively preventing long-term health complications.
Maintaining the habit of a health check-up at least once a year is a simple way to protect overall health.
Find the cause of low red blood cells
Not all cases stem from nutritional deficiencies. A doctor may order additional specialized tests if the cause is suspected to be related to:
- Iron, vitamin B12, or folic acid deficiency.
- Bone marrow disease.
- Chronic kidney disease.
- Immune disorders.
- Prolonged blood loss.
- Certain other chronic diseases.
Correctly identifying the cause is a crucial factor in effectively and sustainably improving red blood cells in the blood.
Persistently change diet and lifestyle
If you have been diagnosed with a low red blood cell count, you should maintain the recommended blood-forming support measures:
- Supplement with iron-rich foods.
- Increase vitamin C to aid iron absorption.
- Ensure sufficient vitamin B12, folic acid, vitamin A, and copper.
- Exercise regularly.
- Limit alcohol and avoid smoking.
- Get enough sleep and manage stress.
In many cases, properly adjusting diet and lifestyle can significantly improve blood counts without the need for complex medical intervention.
Monitor results and follow-up as scheduled
After implementing measures to support red blood cell increase, follow up as scheduled to assess effectiveness. Regular monitoring helps the doctor determine if blood counts have stabilized or if further treatment adjustments are needed.
Proactive healthcare, maintaining regular check-ups, and building a scientific lifestyle are fundamental to naturally increasing red blood cells, preventing anemia, and enhancing long-term quality of life.

Part 3: How to read dangerously low red blood cell counts?
Note 1: Understand the role of red blood cells
To effectively increase red blood cells, one must first understand what red blood cells are and why they are important for health. Red blood cells (erythrocytes) are the most abundant type of blood cell in the blood, playing a role in transporting oxygen from the lungs to organs and carrying carbon dioxide back to the lungs to be expelled.
When the red blood cell count decreases, the body may not receive enough oxygen, leading to fatigue, dizziness, difficulty concentrating, and decreased physical endurance.
How are red blood cells produced?
The process of red blood cell production continuously takes place inside the bone marrow.
Some important characteristics include:
- The bone marrow is where new red blood cells are produced.
- The body produces millions of red blood cells every second to sustain life.
- Blood formation requires the involvement of many nutrients such as iron, vitamin B12, folic acid, vitamin A, and copper.
- When these micronutrients are deficient, the ability to produce red blood cells can be impaired.
This is also why diet plays a crucial role in maintaining a healthy red blood cell count.
Lifespan of red blood cells in the body
Red blood cells do not last forever but are continuously replaced.
- Each red blood cell has an average lifespan of about 120 days.
- After aging, red blood cells are removed by the body and replaced with new cells.
- The process of red blood cell regeneration occurs continuously to ensure stable oxygen transport capacity.
Because the regeneration cycle takes a long time, improving a low red blood cell count often does not happen immediately but requires persistence over several weeks.
What is a normal red blood cell count?
Red blood cell counts can differ between males and females.
Typically:
- Males have a higher red blood cell count than females.
- This difference is mainly related to hormones and physiological characteristics.
- Women may be more prone to anemia due to blood loss during menstruation.
However, assessing the red blood cell count should be based on test results and medical advice, rather than just looking at a single number.
Why is it necessary to maintain a healthy red blood cell count?
Red blood cells directly affect the oxygen supply to the entire body. By maintaining a stable red blood cell count, you can:
- Improve daily energy levels.
- Increase concentration and work capacity.
- Support the function of the heart, brain, and muscles.
- Enhance physical endurance.
- Reduce the risk of anemia and related complications.
Understanding how red blood cells are produced and function will help you be more proactive in building a diet, exercise regimen, and healthcare routine to naturally increase red blood cells and maintain a healthy body long-term.

Note 2: Understanding the role of hemoglobin in the blood
Hemoglobin is an iron-rich protein found within red blood cells, playing a central role in transporting oxygen to organs and tissues throughout the body. It is also the component that gives blood its characteristic red color.
When hemoglobin levels or red blood cell count decrease, the body receives less oxygen, leading to symptoms such as fatigue, dizziness, difficulty concentrating, pale skin, and reduced physical capacity.
How does hemoglobin work?
Each hemoglobin molecule acts as an "oxygen transport vehicle" in the blood.
This process occurs in steps:
- Hemoglobin receives oxygen from the lungs.
- Red blood cells transport oxygen through the bloodstream throughout the body.
- Oxygen is released to organs and tissues that need energy.
- Red blood cells take up carbon dioxide and return it to the lungs for expulsion.
Thanks to this mechanism, the body's cells are constantly supplied with oxygen to sustain life.
The connection between iron and hemoglobin
Iron is an essential component for the body to produce hemoglobin.
- Hemoglobin contains iron atoms capable of binding to oxygen.
- If iron is deficient, the body will produce less hemoglobin.
- Hemoglobin deficiency often leads to iron-deficiency anemia.
- Sufficient iron supplementation helps support red blood cell production and improve oxygen transport capacity.
This is why iron-rich foods are always recommended in the diet for those looking to increase red blood cells.
How hemoglobin transports oxygen in the body
Hemoglobin can flexibly bind and release oxygen depending on its location in the body.
- In the lungs, hemoglobin absorbs oxygen to carry into the blood.
- In tissues and organs, hemoglobin releases oxygen to nourish cells.
- This mechanism helps the body maintain the function of the brain, heart, muscles, and other important organs.
Normal hemoglobin levels
Hemoglobin levels can differ between males and females:
- Males typically have higher hemoglobin levels than females.
- Women are more prone to decreased hemoglobin due to blood loss during menstruation.
- Specific reference values may vary depending on the laboratory and the individual's health status.
If low hemoglobin levels persist, the doctor may order additional tests to determine the cause and develop an appropriate treatment plan.
How to maintain healthy hemoglobin?
To support hemoglobin production and naturally increase red blood cells, you should:
- Supplement with iron-rich foods.
- Ensure sufficient vitamin C to increase iron absorption.
- Supplement with vitamin B12, folic acid, vitamin A, and copper.
- Exercise regularly.
- Limit alcohol and avoid smoking.
- Undergo regular health check-ups to monitor blood counts.
Understanding the role of hemoglobin will help you be more proactive in taking care of your health, preventing anemia, and maintaining optimal oxygen transport capacity for your body.

Note 3: The role of red blood cells in the body
Red blood cells are vital blood cells that sustain life by transporting oxygen from the lungs to every organ and tissue in the body. They also constitute the largest proportion of blood, helping to ensure that cells consistently receive enough oxygen to function normally.
When the red blood cell count decreases, the body's oxygen supply capacity is affected, leading to symptoms such as fatigue, weakness, dizziness, difficulty concentrating, and reduced physical endurance.
How do red blood cells transport oxygen?
The primary task of red blood cells is to deliver oxygen to cells.
This process occurs in steps:
- Red blood cells receive oxygen from the lungs.
- Oxygen is transported through the circulatory system to organs.
- Cells use oxygen to produce energy for living activities.
- Red blood cells take up carbon dioxide and return it to the lungs for expulsion.
Thanks to this mechanism, the body can maintain the function of the heart, brain, muscles, and other important organs.
Special structure helps red blood cells function efficiently
Red blood cells are encased by a cell membrane composed of protein and lipids.
This characteristic helps to:
- Maintain the flexible shape of red blood cells.
- Allow easy movement through small capillaries.
- Protect cells from influences within the body's environment.
- Support efficient oxygen and carbon dioxide transport.
A healthy red blood cell system is a crucial foundation for maintaining overall health.
Red blood cells help remove carbon dioxide
In addition to transporting oxygen, red blood cells also participate in removing carbon dioxide – a waste product generated during the body's energy metabolism.
Red blood cells contain specialized enzymes that help to:
- Collect carbon dioxide from tissues.
- Convert carbon dioxide into forms easily transported in the blood.
- Return carbon dioxide to the lungs.
- Support the expulsion of this gas when exhaling.
This process helps maintain the balance of the internal environment of the body and supports the normal function of organs.
Why is it necessary to maintain a healthy red blood cell count?
When the body has enough red blood cells, oxygen transport and carbon dioxide expulsion occur more efficiently.
This brings many benefits such as:
- Maintaining stable energy levels.
- Increasing concentration and work capacity.
- Supporting cardiovascular and brain function.
- Enhancing physical endurance during exercise.
- Reducing the risk of anemia and related complications.
To naturally increase red blood cells, you should maintain a diet rich in iron, vitamin B12, folic acid, vitamin A, and vitamin C, combine regular exercise, limit alcohol, avoid smoking, and have regular health check-ups. These habits will help the body maintain healthy blood production and support optimal oxygen transport function.

Supplementing with vitamin B12 and vitamin B6
Vitamin B12 and vitamin B6 are two important nutrients involved in the process of red blood cell production and maintaining the normal function of the hematopoietic system. A deficiency in either of these vitamins can reduce the ability to produce red blood cells, thereby increasing the risk of anemia, fatigue, and overall health decline.
If you are looking to increase red blood cells naturally, you should ensure adequate intake of both vitamin B12 and vitamin B6 through your daily diet.
Vitamin B12 supports healthy red blood cell production
Vitamin B12 plays an important role in the formation and maturation of red blood cells in the bone marrow.
Food sources rich in vitamin B12 include:
- Beef.
- Poultry.
- Fish and seafood.
- Eggs.
- Milk and dairy products.
Adequate vitamin B12 supplementation helps to:
- Support normal red blood cell production.
- Reduce the risk of anemia due to vitamin B12 deficiency.
- Contribute to maintaining healthy neurological function.
- Help the body utilize energy more efficiently.
Vitamin B6 contributes to blood formation
Vitamin B6 participates in many important metabolic reactions, including hemoglobin synthesis.
You can supplement vitamin B6 from foods such as:
- Bananas.
- Fish.
- Baked potatoes.
- Poultry.
- Legumes.
- Whole grains.
The benefits of vitamin B6 include:
- Supporting the hemoglobin synthesis process.
- Contributing to the formation of new red blood cells.
- Supporting protein and energy metabolism.
- Helping the body function more efficiently.
Combining vitamin B12 and B6 in the diet
To help increase red blood cell count, build a diverse menu with many food sources rich in B vitamins.
Some simple principles:
- Eat enough protein from meat, fish, eggs, and milk.
- Supplement with a variety of fruits and vegetables.
- Avoid a nutritionally poor diet for prolonged periods.
- Consult a doctor if you suspect vitamin deficiency or show signs of anemia.
Red blood cells are continuously regenerated in the body
Red blood cells do not last forever but have an average lifespan of about 120 days. After their lifespan ends, old red blood cells are removed, and the bone marrow produces new red blood cells to replace them.
This regeneration process occurs continuously and depends on an adequate supply of nutrients such as:
- Iron.
- Vitamin B12.
- Vitamin B6.
- Folic acid.
- Vitamin A.
- Copper.
Therefore, maintaining a balanced diet over a long period is an important factor in helping to increase red blood cells, support effective blood formation, and maintain sustainable health.
References
- World Health Organization. (2024). Anaemia. Geneva: World Health Organization.
- National Heart, Lung, and Blood Institute. (2023). Anemia: Symptoms, Causes, and Treatment. Bethesda, MD: U.S. Department of Health and Human Services.
- National Institutes of Health, Office of Dietary Supplements. (2024). Iron: Fact Sheet for Health Professionals. Bethesda, MD: National Institutes of Health.
- National Institutes of Health, Office of Dietary Supplements. (2024). Vitamin B12: Fact Sheet for Health Professionals. Bethesda, MD: National Institutes of Health.
- National Institutes of Health, Office of Dietary Supplements. (2024). Folate: Fact Sheet for Health Professionals. Bethesda, MD: National Institutes of Health.
- National Institutes of Health, Office of Dietary Supplements. (2024). Vitamin A and Carotenoids: Fact Sheet for Health Professionals. Bethesda, MD: National Institutes of Health.
- National Institutes of Health, Office of Dietary Supplements. (2024). Vitamin C: Fact Sheet for Health Professionals. Bethesda, MD: National Institutes of Health.
- National Institutes of Health, Office of Dietary Supplements. (2024). Vitamin B6: Fact Sheet for Health Professionals. Bethesda, MD: National Institutes of Health.
- National Institutes of Health, Office of Dietary Supplements. (2024). Copper: Fact Sheet for Health Professionals. Bethesda, MD: National Institutes of Health.
- Merck Manual Professional Edition. (2024). Overview of Anemia. Rahway, NJ: Merck & Co., Inc.
- American Society of Hematology. (2024). Red Blood Cells and Hemoglobin. Washington, DC: American Society of Hematology.
- Mayo Clinic Staff. (2024). Anemia: Diagnosis and Treatment. Rochester, MN: Mayo Clinic.
- Camaschella, C. (2019). Iron Deficiency. Blood, 133(1), 30–39.
- Hoffbrand, A. V., Moss, P. A. H., & Pettit, J. E. (2019). Essential Haematology (8th ed.). Hoboken, NJ: Wiley-Blackwell.
- Hall, J. E. (2021). Guyton and Hall Textbook of Medical Physiology (14th ed.). Philadelphia, PA: Elsevier.
- Rodak, B. F., Fritsma, G. A., & Keohane, E. M. (2020). Hematology: Clinical Principles and Applications (5th ed.). St. Louis, MO: Elsevier.
Content edited by: Rowan Hudson Le.
Information consulted and verified by expert: Emily Johnson.


4 comments
Hóa ra bấy lâu nay mình uống trà sữa thay nước làm giảm hấp thu sắt bảo sao người cứ lờ đờ như mất sổ gạo 🥤. Bài viết thức tỉnh ghê, từ mai xin hứa chung thủy với nước ép lựu và sinh tố củ dền. Có đồng đạo nào cũng đang “nghiện” trà hơn nghiện máu giống mình không, điểm danh cái coi?
Mình vốn thuộc hệ lười vận động, đi bộ ba bước đã thở dốc như vừa leo Fansipan 🧗. Cứ đổ lỗi tại thời tiết, hóa ra là vì hồng cầu lười biếng không chịu chở oxy đi nuôi cơ thể. Chắc phải sắm ngay rổ cam với đĩa thịt bò về “thao túng tâm lý” tụi hồng cầu chăm chỉ làm việc lại thôi!
Ngày xưa người ta nhìn mình tưởng tiểu thư đài các, da trắng môi nhạt chuẩn phong cách “nàng thơ” quý tộc 👸. Ai dè đi khám mới biết do thiếu máu nên mặt mới xanh như tàu lá chuối vậy đó. Giờ mình phải tích cực uống nước ép củ dền với ăn rau bina thôi. Ai có thực đơn nào ngon bổ rẻ cứu vớt làn da này với!