{"id":18222,"date":"2020-03-09T18:24:09","date_gmt":"2020-03-09T18:24:09","guid":{"rendered":"https:\/\/www.humnutrition.com\/blog\/?p=18222"},"modified":"2022-04-06T02:48:18","modified_gmt":"2022-04-06T02:48:18","slug":"vitamin-c-immune-system","status":"publish","type":"post","link":"https:\/\/www.humnutrition.com\/blog\/vitamin-c-immune-system\/","title":{"rendered":"Does Vitamin C Really Boost Your Immune System?"},"content":{"rendered":"<em><a href=\"https:\/\/www.humnutrition.com\/blog\/author\/jessica-kelley\/\" target=\"_blank\" rel=\"noopener noreferrer\">Jessica Bippen, MS, RD,<\/a> breaks down everything you need to know about vitamin C: the benefits, correct dosage, how to choose a supplement, and if vitamin C really boosts your <a href=\"https:\/\/www.humnutrition.com\/blog\/how-the-immune-system-works\/\">immune system<\/a>.<\/em>\n\nFeeling under the weather? Or maybe you&#8217;re surrounded by coughing and sneezing co-workers. No matter the situation, when cold and flu season hits, your immune system could use a boost. You\u2019re probably reaching for a glass of orange juice or searching for the best vitamin C supplement as one of your<a href=\"https:\/\/www.humnutrition.com\/blog\/how-to-stop-a-cold\/\" target=\"_blank\" rel=\"noopener noreferrer\">&nbsp;natural remedies<\/a>. But does loading up on this antioxidant really help prevent you from catching a nasty cold? Let&#8217;s find out.\n<h2>What is vitamin c?<\/h2>\nVitamin C, aka ascorbic acid, is a water-soluble vitamin that acts as an antioxidant in the body. You\u2019re most likely familiar with its well-known role in supporting your immune system. However, vitamin C also has numerous other important functions in the body.\n<h2>how Vitamin C Boosts your immune system<\/h2>\nVitamin C may boost your immune system by strengthening <a href=\"https:\/\/www.sciencedirect.com\/science\/article\/abs\/pii\/S0891584998001324\" target=\"_blank\" rel=\"noopener noreferrer\">your skin\u2019s defense system<\/a>, allowing <a href=\"https:\/\/www.ncbi.nlm.nih.gov\/pubmed\/25157026\" target=\"_blank\" rel=\"noopener noreferrer\">white blood cells to function<\/a>&nbsp;more effectively, and helping<a href=\"https:\/\/www.ncbi.nlm.nih.gov\/pubmed\/16297506\" target=\"_blank\" rel=\"noopener noreferrer\"> wounds heal faster<\/a>.\n\nIt\u2019s a common misconception that vitamin C <a href=\"https:\/\/www.ncbi.nlm.nih.gov\/pubmed\/23440782\" target=\"_blank\" rel=\"noopener noreferrer\">prevents the common cold<\/a>. That being said, even though vitamin C may not keep you from catching a cold, it may reduce its severity. Research shows that show up to <a href=\"https:\/\/www.ncbi.nlm.nih.gov\/pubmed\/28353648\" target=\"_blank\" rel=\"noopener noreferrer\">600 to 800 milligrams of vitamin C<\/a> may decrease the severity and length of cold symptoms.\n\nThe strongest effects of vitamin C occur in people whose immune systems are weakened due to stress. Most <a href=\"https:\/\/www.ncbi.nlm.nih.gov\/pubmed\/19263912\" target=\"_blank\" rel=\"noopener noreferrer\">research in this niche<\/a> focuses on athletes undergoing constant physical duress. Still, other forms of stress applicable to all include constant worrying, excessive <a href=\"https:\/\/www.humnutrition.com\/blog\/long-term-effects-of-alcohol\/\">alcohol<\/a> consumption, smoking, and exposure to pollutants. Vitamin C works constantly to counteract the negative effects of stress on the body, making it one of the most sensitive nutrients to stress.\n\n<img data-dominant-color=\"6c4b32\" data-has-transparency=\"false\" style=\"--dominant-color: #6c4b32;\" decoding=\"async\" class=\"size-full wp-image-18228 aligncenter not-transparent\" src=\"https:\/\/www.humnutrition.com\/blog\/wp-content\/uploads\/2020\/03\/Vitamin-C-Immune-System-The-Wellnest-by-HUM-Nutrition.jpg\" alt=\"Man reaching for an orange in a barrel outdoors\" width=\"770\" height=\"514\">\n<h2>OTHER Vitamin C Benefits<\/h2>\n<h3>Supports Collagen Production<\/h3>\nResearch shows vitamin C is essential for the growth, development, and repair of tissue all over the body, <a href=\"https:\/\/www.humnutrition.com\/blog\/types-of-collagen\/\" target=\"_blank\" rel=\"noopener noreferrer\">including collagen<\/a>. As we age, collagen production slows and the rate of collagen loss increases. This shows up as a loss of skin elasticity and firmness and an increase in fine lines. Vitamin C plays an essential role in helping maintain and <a href=\"https:\/\/www.humnutrition.com\/blog\/collagen-fix\/\" target=\"_blank\" rel=\"noopener noreferrer\">promote healthy collagen levels<\/a> in the skin and body. In addition to supporting collagen production, vitamin C helps heal wounds, <a href=\"https:\/\/www.humnutrition.com\/blog\/iron-deficiency\/\" target=\"_blank\" rel=\"noopener noreferrer\">increases iron absorption<\/a>, and plays a role in how your immune system functions.\n<h3>Combats Free Radicals + Pollutants<\/h3>\nAs an antioxidant, vitamin C <a href=\"https:\/\/www.humnutrition.com\/blog\/why-are-free-radicals-bad\/\" target=\"_blank\" rel=\"noopener noreferrer\">fights free radicals<\/a> in the body which may promote healthy aging and decrease your risk of other health conditions. It also plays a role in protecting the body from toxic chemicals and pollutants like cigarette smoke.\n<h2>Vitamin C Dosage<\/h2>\nYour body can&#8217;t produce vitamin C, which means it has to come from the foods you eat. Thus, it&#8217;s essential to consume vitamin C daily to promote optimal health and well-being. For adults, the Recommended Daily Allowance (RDA) for vitamin C is 90 milligrams for adult men and 75 milligrams for adult women.\n\nThe good news? Many fruits and vegetables contain vitamin C. Excellent sources include citrus fruits, tomatoes, potatoes, berries, bell peppers, broccoli, Brussels sprouts, broccoli, and kiwi.\n\nBut what if you\u2019re looking for an immune boost? Is taking more vitamin C better?\n\nMost research supports 500 milligrams of supplemental vitamin C to boost immune function and promote additional benefits regarding wound healing and other health conditions.\n<h2>can you take too much?<\/h2>\nWhile vitamin C isn\u2019t toxic, the uppermost limit is set at 2,000 milligrams daily. The most common complaints at higher doses include gastrointestinal issues such as diarrhea, as well as nausea and abdominal cramps. Therefore, the <a href=\"https:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC6124957\/#bibr1-1559827616629092\" target=\"_blank\" rel=\"noopener noreferrer\">Natural Medicines Comprehensive Database<\/a> considers vitamin C as safe when taken at\/below this daily dosage and in conjunction with dietary sources like fresh fruits and vegetables.\n\nOn the flip side, while relatively rare, extreme vitamin C <a href=\"https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK493187\/\" target=\"_blank\" rel=\"noopener noreferrer\">deficiency can lead to scurvy<\/a>. This condition is characterized by weakness, anemia, bruising, bleeding, and loose teeth.\n<h2>what to look for in a Vitamin C supplement<\/h2>\nIf you\u2019re looking for an extra boost to complement your healthy eating plan, the best vitamin C supplement will contain <a href=\"https:\/\/www.humnutrition.com\/product\/20\/air-patrol\" target=\"_blank\" rel=\"noopener noreferrer\">esterified vitamin C<\/a>. This type of vitamin C binds ascorbic acid to fatty acids in order to enhance absorption.\n\nYet before supplementing, you want to aim for at least five servings of <a href=\"https:\/\/www.humnutrition.com\/blog\/eat-the-rainbow\/\" target=\"_blank\" rel=\"noopener noreferrer\">fruits and vegetables<\/a> per day. If this suggestion doesn\u2019t fully meet your vitamin C needs, it at least gives you a solid start!\n<div  class=\"products-block -mx-4 md:mx-0 my-10\">\n\t\t\t\t<a href=\"https:\/\/www.humnutrition.com\/product\/20\/air-patrol\" 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\/ebfec760-7ec7-11f0-bf89-277ce43b4ab4.png\" width=\"100\" height=\"100\" class=\"object-cover transition-opacity group-hover:opacity-80 !mb-0\" alt=\"Air Patrol\u2122\">\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\t4.7\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\t63 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\">Air Patrol\u2122<\/div>\n\t\t\t\t\t<div class=\"mb-2\">\n\t\t\t\t\t\tsupports immune system, skin + lungs\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\">$12<\/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>Jessica Bippen, MS, RD, breaks down everything you need to know about vitamin C: the benefits, correct dosage, how to choose a supplement, and if vitamin C really boosts your immune system. Feeling under the weather? Or maybe you&#8217;re surrounded by coughing and sneezing co-workers. No matter the situation, when cold and flu season hits, [&hellip;]<\/p>\n","protected":false},"author":19,"featured_media":18227,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_toc_level":"h2","_toc_min":2,"footnotes":""},"categories":[813,12660,22042],"tags":[102,266,178,913],"coauthors":[22075],"class_list":["post-18222","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-body","category-immunity","category-supplements","tag-anti-aging","tag-immunity","tag-stress","tag-vitamin-c"],"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>Does Vitamin C Really Boost Your Immune System? | HUM Nutrition Blog<\/title>\n<meta name=\"description\" content=\"At the first signs of unwellness, we typically reach for OJ. However, does vitamin C actually support immunity? A nutritionist investigates.\" \/>\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\/vitamin-c-immune-system\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Does Vitamin C Really Boost Your Immune System?\" \/>\n<meta property=\"og:description\" content=\"At the first signs of unwellness, we typically reach for OJ. However, does vitamin C actually support immunity? A nutritionist investigates.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.humnutrition.com\/blog\/vitamin-c-immune-system\/\" \/>\n<meta property=\"og:site_name\" content=\"HUM Nutrition Blog\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/facebook.com\/humnutrition\" \/>\n<meta property=\"article:published_time\" content=\"2020-03-09T18:24:09+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2022-04-06T02:48:18+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.humnutrition.com\/blog\/wp-content\/uploads\/2020\/03\/Does-Vitamin-C-Really-Boost-Your-Immune-System-The-Wellnest-by-HUM-Nutrition.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1440\" \/>\n\t<meta property=\"og:image:height\" content=\"670\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Jessica Bippen\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@nourishedbynutr\" \/>\n<meta name=\"twitter:site\" content=\"@HUMnutrition\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Jessica Bippen\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.humnutrition.com\/blog\/vitamin-c-immune-system\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.humnutrition.com\/blog\/vitamin-c-immune-system\/\"},\"author\":{\"name\":\"Jessica Bippen\",\"@id\":\"https:\/\/www.humnutrition.com\/blog\/#\/schema\/person\/4a6d9c229990f8a2dc1a54f2fa0f1d75\"},\"headline\":\"Does Vitamin C Really Boost Your Immune System?\",\"datePublished\":\"2020-03-09T18:24:09+00:00\",\"dateModified\":\"2022-04-06T02:48:18+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.humnutrition.com\/blog\/vitamin-c-immune-system\/\"},\"wordCount\":769,\"publisher\":{\"@id\":\"https:\/\/www.humnutrition.com\/blog\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.humnutrition.com\/blog\/vitamin-c-immune-system\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.humnutrition.com\/blog\/wp-content\/uploads\/2020\/03\/Does-Vitamin-C-Really-Boost-Your-Immune-System-The-Wellnest-by-HUM-Nutrition-jpg.webp\",\"keywords\":[\"anti-aging\",\"Immunity\",\"Stress\",\"Vitamin C\"],\"articleSection\":[\"Body\",\"Immunity\",\"Supplements\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.humnutrition.com\/blog\/vitamin-c-immune-system\/\",\"url\":\"https:\/\/www.humnutrition.com\/blog\/vitamin-c-immune-system\/\",\"name\":\"Does Vitamin C Really Boost Your Immune System? | HUM Nutrition Blog\",\"isPartOf\":{\"@id\":\"https:\/\/www.humnutrition.com\/blog\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.humnutrition.com\/blog\/vitamin-c-immune-system\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.humnutrition.com\/blog\/vitamin-c-immune-system\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.humnutrition.com\/blog\/wp-content\/uploads\/2020\/03\/Does-Vitamin-C-Really-Boost-Your-Immune-System-The-Wellnest-by-HUM-Nutrition-jpg.webp\",\"datePublished\":\"2020-03-09T18:24:09+00:00\",\"dateModified\":\"2022-04-06T02:48:18+00:00\",\"description\":\"At the first signs of unwellness, we typically reach for OJ. 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