{"id":3957,"date":"2016-09-28T23:54:13","date_gmt":"2016-09-28T23:54:13","guid":{"rendered":"https:\/\/www.humnutrition.com\/blog\/?p=3957"},"modified":"2020-11-11T21:43:38","modified_gmt":"2020-11-11T21:43:38","slug":"foods-that-boost-your-immune-system","status":"publish","type":"post","link":"https:\/\/www.humnutrition.com\/blog\/foods-that-boost-your-immune-system\/","title":{"rendered":"7 Foods That Boost Your Immune System"},"content":{"rendered":"Keep your cold or flu at bay with these seven foods that can boost your <a href=\"https:\/\/www.humnutrition.com\/blog\/how-the-immune-system-works\/\">immune system<\/a>.\r\n\r\nOf course, there are a whole host of healthy habits that can protect you against illness. As a reminder, the World Health Organization recommends washing your hands frequently, keeping at least three feet of space between yourself and anyone with symptoms, and avoiding touching your eyes, nose, and mouth as general guidelines.\r\n\r\nStill, even with these good practices in place, it&#8217;s impossible to completely avoid germs. They&#8217;re everywhere. Truer still if you work in an office, or travel often. To bolster your immunity from the inside out, here are scientifically-backed foods to support your immune system.\r\n<h2>7 Immunity-Boosting Foods<\/h2>\r\n<h3>1. Sweet Potatoes<\/h3>\r\n<img data-dominant-color=\"bd986e\" data-has-transparency=\"false\" style=\"--dominant-color: #bd986e;\" decoding=\"async\" class=\"aligncenter wp-image-3964 size-full not-transparent\" src=\"https:\/\/www.humnutrition.com\/blog\/wp-content\/uploads\/2016\/09\/sweet-potatoes.jpg\" alt=\"Sweet Potatoes - Immunity-Boosting Foods - The Wellnest by HUM Nutrition\" width=\"600\" height=\"397\" \/>\r\n\r\nAnother reason to celebrate sweet potatoes: They\u2019re full of beta-carotene, which helps increase T-cell activity. (Read: Your body is better able to fight against infection.) <a href=\"http:\/\/www.ncbi.nlm.nih.gov\/pubmed\/10604207\" target=\"_blank\" rel=\"noopener noreferrer\">[2]<\/a> Plus, beta-carotene is a powerful antioxidant to help fight off damaging free radicals.\r\n<h3>2. Kefir<\/h3>\r\n<img data-dominant-color=\"ba9c7a\" data-has-transparency=\"false\" style=\"--dominant-color: #ba9c7a;\" decoding=\"async\" class=\"aligncenter wp-image-3973 size-full not-transparent\" src=\"https:\/\/www.humnutrition.com\/blog\/wp-content\/uploads\/2016\/09\/kefir.jpg\" alt=\"Kefir - Immunity-Boosting Foods - The Wellnest by HUM Nutrition\" width=\"600\" height=\"400\" \/>\r\n\r\nThis fermented drink packs <a href=\"https:\/\/www.humnutrition.com\/blog\/the-guide-to-choosing-the-best-probiotic-for-you\/\">probiotics<\/a>, including the bacteria bifodobacterium bifidum. Findings show that this particular strain can help boost your immune system and increase antibody levels. <a href=\"http:\/\/healthyeating.sfgate.com\/bifidobacterium-lactis-benefits-3870.html\" target=\"_blank\" rel=\"noopener noreferrer\">[3]<\/a> (Bonus: It also helps with your <a href=\"https:\/\/www.humnutrition.com\/blog\/how-digestion-works\/\">digestion<\/a>.) Alternatively, this bacterium can also be found in some yogurts, fermented vegetables, and our <a href=\"https:\/\/www.humnutrition.com\/product\/6\/gut-instinct\" target=\"_blank\" rel=\"noopener noreferrer\">Gut Instinct<\/a> probiotic supplement.\r\n<h3>3. Blueberries<\/h3>\r\n<img data-dominant-color=\"9fa39f\" data-has-transparency=\"false\" style=\"--dominant-color: #9fa39f;\" decoding=\"async\" class=\"aligncenter wp-image-3972 size-full not-transparent\" src=\"https:\/\/www.humnutrition.com\/blog\/wp-content\/uploads\/2016\/09\/blueberry.jpg\" alt=\"Blueberries - Immunity-Boosting Foods - The Wellnest by HUM Nutrition\" width=\"600\" height=\"400\" \/>\r\n\r\nA study published in Molecular Nutrition and Food Research found that in conjunction with <a href=\"https:\/\/www.humnutrition.com\/blog\/vitamin-d-deficiency-what-you-should-know\/\">vitamin D<\/a>, a compound in blueberries (called pterostilbene) seriously boosted the gene in our bodies that\u2019s associated with immune function. <a href=\"http:\/\/www.huffingtonpost.ca\/2013\/09\/19\/foods-for-immunity-blueberries-red-grapes-_n_3954279.html\" target=\"_blank\" rel=\"noopener noreferrer\">[4]<\/a> They\u2019re also high in antioxidants, which help prevent damage to cells.\r\n<h3>4. Mushrooms<\/h3>\r\n<img data-dominant-color=\"9b7b53\" data-has-transparency=\"false\" style=\"--dominant-color: #9b7b53;\" decoding=\"async\" class=\"aligncenter wp-image-3971 size-full not-transparent\" src=\"https:\/\/www.humnutrition.com\/blog\/wp-content\/uploads\/2016\/09\/mushrooms.jpeg\" alt=\"Mushrooms - Immunity-Boosting Foods - The Wellnest by HUM Nutrition\" width=\"600\" height=\"400\" \/>\r\n\r\nSorry, apples: Turns out that a mushroom a day is what actually could help keep the doctor away. A study done at the University of Florida&#8217;s Institute of Food and Agricultural Sciences found that eating a four-ounce serving of shiitake mushrooms for four weeks bolsters the immune system <a href=\"https:\/\/www.sciencedaily.com\/releases\/2015\/04\/150416112826.htm\" target=\"_blank\" rel=\"noopener noreferrer\">[5]<\/a>. It helps gamma delta T-cells (aka cell receptors that signal your immune system to fire up) function better, and also helps reduce <a href=\"https:\/\/www.humnutrition.com\/blog\/anti-inflammatory-lifestyle\/\">inflammation<\/a>.\r\n<h3>5. Oats<\/h3>\r\n<img data-dominant-color=\"868074\" data-has-transparency=\"false\" style=\"--dominant-color: #868074;\" decoding=\"async\" class=\"aligncenter wp-image-3967 size-full not-transparent\" src=\"https:\/\/www.humnutrition.com\/blog\/wp-content\/uploads\/2016\/09\/oats.jpg\" alt=\"Oats - Immunity-Boosting Foods - The Wellnest by HUM Nutrition\" width=\"600\" height=\"400\" \/>\r\n\r\nOats contain a special type of <a href=\"https:\/\/www.humnutrition.com\/blog\/benefits-of-soluble-fiber-vs-insoluble-fiber\/\">fiber<\/a> called beta-glucan. Studies show that it can help our infection-fighting blood cells. <a href=\"http:\/\/www.ncbi.nlm.nih.gov\/pubmed\/15292739\" target=\"_blank\" rel=\"noopener noreferrer\">[6]<\/a> In fact, one Norwegian study reports that the antibacterial powers of beta-glucan are even more potent than those of echinacea.\r\n<h3>6. Egg Yolks<\/h3>\r\n<img data-dominant-color=\"92807a\" data-has-transparency=\"false\" style=\"--dominant-color: #92807a;\" decoding=\"async\" class=\"aligncenter wp-image-3981 size-full not-transparent\" src=\"https:\/\/www.humnutrition.com\/blog\/wp-content\/uploads\/2016\/09\/eggs.jpg\" alt=\"Eggs - Immunity-Boosting Foods - The Wellnest by HUM Nutrition\" width=\"600\" height=\"400\" \/>\r\n\r\nEgg yolks may have gotten a bad rap in the past for their cholesterol levels. But recent studies have found that the negative connotations are false. <a href=\"https:\/\/www.sciencedaily.com\/releases\/2013\/02\/130207131344.htm\" target=\"_blank\" rel=\"noopener noreferrer\">[7]<\/a> Plus, the yolk contains high levels of <a href=\"https:\/\/www.humnutrition.com\/blog\/zinc-benefits\/\">zinc<\/a>, an important mineral when it comes to controlling infections.\r\n\r\nA 2013 study found that it helps balance your immune response, preventing your immune system from going overboard when fighting infection, which can cause inflammation that makes you feel worse. <a href=\"http:\/\/ajcn.nutrition.org\/content\/early\/2016\/02\/10\/ajcn.115.122317.abstract\" target=\"_blank\" rel=\"noopener noreferrer\">[8]<\/a> Plus, if you don\u2019t get enough zinc in your diet, it can cause you to be more susceptible to germs and infections. Other foods high in zinc are spinach, oysters, and chickpeas.\r\n<h3>7. Citrus Fruits<\/h3>\r\n<img data-dominant-color=\"388296\" data-has-transparency=\"false\" style=\"--dominant-color: #388296;\" decoding=\"async\" class=\"aligncenter wp-image-3970 size-full not-transparent\" src=\"https:\/\/www.humnutrition.com\/blog\/wp-content\/uploads\/2016\/09\/citus.jpg\" alt=\"Citrus Fruits - Immunity-Boosting Foods - The Wellnest by HUM Nutrition\" width=\"600\" height=\"400\" \/>\r\n\r\nYou&#8217;ve likely heard that citrus fruits like oranges and grapefruits are high in vitamin C. As a refresher, vitamin C is a nutrient that helps T-cells (the cells that fight infections and diseases) function optimally. If you don&#8217;t get enough vitamin C, your chances of getting sick increase. Oranges have the highest amount of vitamin C, followed by grapefruit, then lemons, and limes. <a href=\"http:\/\/www.ncbi.nlm.nih.gov\/pubmed\/19263912\" target=\"_blank\" rel=\"noopener noreferrer\">[9]<\/a>\n<div  class=\"products-block -mx-4 md:mx-0 my-10\">\n\t\t\t\t<a href=\"https:\/\/www.humnutrition.com\/product\/6\/gut-instinct\" class=\"text-xs text-dark hover:!text-dark flex items-center border border-light rounded p-4 group !no-underline mb-4 relative pb-16 sm:pb-4\">\n\t\t\t\t<div class=\"shrink-0 mr-4\">\n\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/cdn.humnutrition.com\/assets\/11a18000-7dfd-11f0-9f03-1b7d6adea7ad.png\" width=\"100\" height=\"100\" class=\"object-cover transition-opacity group-hover:opacity-80 !mb-0\" alt=\"Gut Instinct\">\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"grow pr-4\">\n\t\t\t\t\t<div class=\"mb-2 flex flex-col sm:flex-row sm:items-center divide-x-0 sm:divide-x divide-light text-sm\">\n\t\t\t\t\t\t<div class=\"pt-1 pr-2 flex\">\n\t\t\t\t\t\t\t<div class=\"flex mr-1\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<svg class=\"mr-1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"17\" height=\"16\"><path d=\"m11.532 4.697 4.353.663c.36.053.664.316.828.64.066.397 0 .791-.288 1.06l-3.157 3.193.745 4.581a1.01 1.01 0 0 1-.39.978c-.3.188-.698.25-1.022.072l-3.888-2.14-3.889 2.14c-.327.178-.724.116-1.024-.072a1.008 1.008 0 0 1-.388-.978l.745-4.581L1 7.06C.713 6.79.646 6.397.713 6c.162-.324.464-.587.827-.64l4.35-.663L7.842.563c.16-.344.5-.563.87-.563.372 0 .711.219.872.563z\"\/><\/svg>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<svg class=\"mr-1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"17\" height=\"16\"><path d=\"m11.532 4.697 4.353.663c.36.053.664.316.828.64.066.397 0 .791-.288 1.06l-3.157 3.193.745 4.581a1.01 1.01 0 0 1-.39.978c-.3.188-.698.25-1.022.072l-3.888-2.14-3.889 2.14c-.327.178-.724.116-1.024-.072a1.008 1.008 0 0 1-.388-.978l.745-4.581L1 7.06C.713 6.79.646 6.397.713 6c.162-.324.464-.587.827-.64l4.35-.663L7.842.563c.16-.344.5-.563.87-.563.372 0 .711.219.872.563z\"\/><\/svg>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<svg class=\"mr-1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"17\" height=\"16\"><path d=\"m11.532 4.697 4.353.663c.36.053.664.316.828.64.066.397 0 .791-.288 1.06l-3.157 3.193.745 4.581a1.01 1.01 0 0 1-.39.978c-.3.188-.698.25-1.022.072l-3.888-2.14-3.889 2.14c-.327.178-.724.116-1.024-.072a1.008 1.008 0 0 1-.388-.978l.745-4.581L1 7.06C.713 6.79.646 6.397.713 6c.162-.324.464-.587.827-.64l4.35-.663L7.842.563c.16-.344.5-.563.87-.563.372 0 .711.219.872.563z\"\/><\/svg>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<svg class=\"mr-1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"17\" height=\"16\"><path d=\"m11.532 4.697 4.353.663c.36.053.664.316.828.64.066.397 0 .791-.288 1.06l-3.157 3.193.745 4.581a1.01 1.01 0 0 1-.39.978c-.3.188-.698.25-1.022.072l-3.888-2.14-3.889 2.14c-.327.178-.724.116-1.024-.072a1.008 1.008 0 0 1-.388-.978l.745-4.581L1 7.06C.713 6.79.646 6.397.713 6c.162-.324.464-.587.827-.64l4.35-.663L7.842.563c.16-.344.5-.563.87-.563.372 0 .711.219.872.563z\"\/><\/svg>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<svg class=\"mr-1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"17\" height=\"16\"><path d=\"m8.713 3 1.54 3.61 3.46.58L11.207 10l.588 4-3.082-1.878zm4.555 7.253 3.157-3.193c.288-.269.354-.663.288-1.06-.164-.324-.467-.587-.828-.64l-4.353-.663L9.584.562A.965.965 0 0 0 8.713 0a.965.965 0 0 0-.871.562L5.89 4.697l-4.35.663c-.363.053-.665.316-.827.64-.067.397 0 .791.287 1.06l3.157 3.193-.745 4.581a1.01 1.01 0 0 0 .388.978c.3.188.697.25 1.024.072l3.889-2.14 3.888 2.14c.324.178.721.116 1.021-.072a1.01 1.01 0 0 0 .391-.978z\"\/><\/svg>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t4.6\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"pt-1 sm:pl-2 text-medium\">\n\t\t\t\t\t\t\t1204 Reviews\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div class=\"text-base font-semibold mb-1 group-hover:text-primary\">Gut Instinct<\/div>\n\t\t\t\t\t<div class=\"mb-2\">\n\t\t\t\t\t\tpotent probiotic for balanced gut health\t\t\t\t\t<\/div>\n\t\t\t\t\t<div class=\"absolute bottom-4 left-4 right-4 sm:bottom-0 sm:left-0 sm:right-0 sm:relative inline-flex justify-center bg-primary group-hover:bg-primary-light text-white rounded py-3 px-12 leading-none text-center\">\n\t\t\t\t\t\t<span class=\"pr-1.5 border-r border-primary-lightest\">$27<\/span><span class=\"pl-1.5\">SHOP NOW<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"self-start\">\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t<\/a>\n\t\t<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Keep your cold or flu at bay with these seven foods that can boost your immune system. Of course, there are a whole host of healthy habits that can protect you against illness. As a reminder, the World Health Organization recommends washing your hands frequently, keeping at least three feet of space between yourself and [&hellip;]<\/p>\n","protected":false},"author":10,"featured_media":18039,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_toc_level":"h2","_toc_min":2,"footnotes":""},"categories":[813,12660],"tags":[266,260,277],"coauthors":[],"class_list":["post-3957","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-body","category-immunity","tag-immunity","tag-probiotics","tag-winter"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.2 (Yoast SEO v24.2) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>7 Foods That Boost Your Immune System | HUM Nutrition Blog<\/title>\n<meta name=\"description\" content=\"Sickness, beware! Here are eight foods that can boost your immune system and help you keep the cold and flu at bay.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.humnutrition.com\/blog\/foods-that-boost-your-immune-system\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"7 Foods That Boost Your Immune System\" \/>\n<meta property=\"og:description\" content=\"Sickness, beware! 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