Brenda Khan
Lymphocytes are a type of white blood cell that helps the body's immune system fight off infections and diseases. They are divided into T-cells, B-cells, and natural killer cells, each with distinct functions. A healthy diet rich in fruits, vegetables, lean proteins, and whole grains can help increase lymphocyte count and support a robust immune system. Vitamin C, found in citrus fruits and kiwis, is particularly beneficial for lymphocyte production. Additionally, beta-carotene in colourful fruits and vegetables, vitamin D, selenium, and probiotics found in yoghurt also contribute to a healthy lymphocyte level.
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What You'll Learn
Eat foods rich in beta carotene
Beta-carotene is a fat-soluble plant-based vitamin that gives vivid red, yellow, and orange colours to fruits and vegetables. It is well-known for its positive impact on vision and eye health. Beta-carotene is also a powerful antioxidant that helps to lower inflammation throughout the body.
A diet rich in beta-carotene is linked to various health benefits. Beta-carotene is an important source of vitamin A, which is associated with a reduced risk of cataracts and age-related macular degeneration. Beta-carotene also helps to keep your inflammatory response in check, preventing chronic inflammation that contributes to a host of chronic conditions.
Some natural foods that are rich in beta-carotene include carrots, sweet potatoes, spinach, broccoli, onions, peas, lettuce, tomatoes, pumpkin, cantaloupe, dried apricots, mango, and black-eyed peas. In terms of vegetables, grape leaves, bok choy, and leafy greens are also good sources of beta-carotene.
While beta-carotene supplements are available, dietary sources are generally recommended over supplementation. Beta-carotene supplements may present risks for people who smoke or used to smoke. It is always best to consult a healthcare professional before taking any supplements.
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Consume vitamin C
Vitamin C, also known as ascorbic acid (AA), is an essential micronutrient for humans with many functions in the body. It is a potent antioxidant that supports the immune system and aids in the synthesis and functioning of lymphocytes, particularly T and B cells, which are crucial for fighting infections.
Vitamin C can be found in citrus fruits such as oranges, grapefruits, strawberries, and apples. These fruits are also rich in flavonoids, which are antioxidants that help protect lymphocytes from oxidative stress and support their function. Additionally, citrus fruits contain limonoids, compounds that have been shown to have immunomodulatory effects and may help stimulate lymphocyte production.
Another excellent source of vitamin C is kiwi fruit, which is also rich in folate, a type of B vitamin that plays a crucial role in cell division and the formation of new lymphocytes. The high quantities of vitamin C, vitamin E, and polyphenols in kiwi fruit contribute to its anti-inflammatory properties, helping to regulate the immune response and prevent excessive inflammation.
Vitamin C is also present in broccoli, which contains additional antioxidants such as vitamin E, sulforaphane, and indole-3-carbinol, offering further protective benefits for lymphocytes.
Mushrooms, specifically shiitake, maitake, and reishi, are also a good source of vitamin C. They contain antioxidants, including selenium, vitamin C, and ergothioneine, which help protect lymphocytes from oxidative stress and support their function.
While vitamin C can be consumed through supplements, it is always recommended to consult a doctor before taking any new vitamins or supplements, as they can interfere with the absorption of other medications or nutrients. A well-rounded diet rich in fruits and vegetables may provide sufficient vitamin C to support lymphocyte production and overall health.
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Eat foods with selenium
Selenium is a trace mineral, meaning the body only needs a small amount of it. Selenium is an essential component of selenoproteins, which help to make DNA and protect against cell damage and infections. These proteins are also involved in reproduction, thyroid function, cognition, and metabolism. Most selenium in the body is stored in muscle tissue, and the thyroid gland holds the highest concentration of selenium.
The recommended dietary allowance (RDA) for adult men and women aged 19 and above is 55 micrograms daily. Women who are pregnant and lactating need about 60 and 70 micrograms daily, respectively. The upper intake level (UL) for selenium for all adults aged 19 and above, including pregnant and lactating women, is 400 micrograms daily.
Brazil nuts are one of the best sources of selenium. One ounce, or about six to eight nuts, can provide the recommended daily amount. However, it is important to only eat a serving of Brazil nuts a few times a week to avoid selenium toxicity. Other good sources of selenium include seafood, organ meats, eggs, lean meats, and high-protein foods. If you are not a fan of meat, you can also get selenium from plant-based sources like grain products, including white bread, pasta, and cereals.
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Eat foods with zinc
Zinc is an important mineral that plays a role in cell growth, collagen formation, and inflammatory responses, making it essential for proper wound healing. It can also help decrease oxidative stress and reduce inflammation in the body. Zinc is also required for the function of over 300 enzymes and is involved in many vital processes in the body, including metabolism, digestion, nerve health, and maintaining a healthy immune system.
Zinc is found in many foods that are part of a common diet, especially meat and seafood. Oysters are particularly rich in zinc, with 74.1 milligrams in a 3-ounce serving of cooked oysters, which equates to 673% of the average daily value. Other shellfish, such as crab, lobster, and shrimp, are also good sources of zinc. In addition, meat, especially red meat like beef, lamb, and pork, contains significant amounts of zinc. For example, a 3-ounce serving of beef chuck roast provides 8.44 milligrams of zinc.
You can also obtain zinc from plant-based sources, although the amounts are typically lower. Legumes like chickpeas, lentils, and beans contain substantial amounts of zinc. Additionally, whole grains, nuts, seeds, and dairy products can contribute to your zinc intake. Dark chocolate is another source of zinc, with a 100-gram bar of 70%–85% dark chocolate containing 3.31 milligrams of zinc.
It is important to note that while zinc is essential for overall health, it should be consumed in moderation as part of a balanced diet. If you are considering taking a zinc supplement, be sure to consult your doctor first, as zinc can interfere with the effectiveness of certain medications.
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Eat lean protein
Lean protein is an essential component of a healthy diet. It helps build and maintain muscle and tissue, regulates bodily processes, and promotes satiety and weight management.
To increase lymphocytes, eat a diet with plenty of lean protein. Skinless poultry, such as chicken and turkey breast, is a good source of lean protein. Chicken breast, in particular, is exceptionally lean and relatively low in calories. It also provides essential vitamins and minerals, such as B vitamins niacin (B3) and pyridoxine (B6), zinc, and selenium.
Fish is another excellent source of lean protein. White-fleshed fish, such as cod, haddock, and halibut, are quite lean and provide less than 3 g of fat, 20–25 g of protein, and 85–130 calories per 3.5 oz (100 g). Other types of fish, such as salmon and tuna, are also good sources of lean protein and provide additional health benefits due to their high omega-3 fatty acid content.
Low-fat dairy products, like cottage cheese, yogurt, and milk, are also good sources of lean protein. Yogurt, in particular, provides the necessary building blocks for the production and maintenance of lymphocytes. It also contains live, beneficial bacteria known as probiotics, which support a healthy gut microbiome essential for the proper development and function of lymphocytes.
Plant-based sources of lean protein include beans, lentils, tofu, and quinoa. These foods offer ample protein while being low in calories and fat. For example, tofu is a good source of protein and other nutrients, including calcium, selenium, zinc, and iron.
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Frequently asked questions
Eat foods rich in beta carotene, such as carrots, sweet potatoes, spinach, broccoli, onions, peas, lettuce, tomatoes, pumpkin, cantaloupe, dried apricots, and mango.
Yes, vitamin C increases your body's production of lymphocytes. You can eat your vitamin C through fruits and vegetables or take it as a supplement.
Selenium can be taken as a supplement, and when taken along with zinc, both minerals are more effective at supporting your immune function.
Yes, in addition to a healthy diet, regular exercise, staying hydrated, and stress management can help increase lymphocytes and enhance your immune health.
Examples of lean protein include chicken, cottage cheese, eggs, and fish.
