{"id":186812,"date":"2026-06-29T21:38:14","date_gmt":"2026-06-29T16:08:14","guid":{"rendered":"https:\/\/www.1mg.com\/articles\/?p=186812"},"modified":"2026-06-29T21:38:14","modified_gmt":"2026-06-29T16:08:14","slug":"feeling-sick-often-these-7-supplements-may-be-what-youre-missing","status":"publish","type":"post","link":"https:\/\/www.1mg.com\/articles\/feeling-sick-often-these-7-supplements-may-be-what-youre-missing\/","title":{"rendered":"Feeling Sick Often? These 7 Supplements May Be What You&#8217;re Missing"},"content":{"rendered":"<p><span style=\"font-weight: 400\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-186818 size-full\" title=\"Feeling Sick Often? These 7 Supplements May Be What You're Missing \" src=\"https:\/\/www.1mg.com\/articles\/wp-content\/uploads\/2026\/06\/19729.jpg\" alt=\"Supplements\" width=\"1500\" height=\"841\" srcset=\"https:\/\/www.1mg.com\/articles\/wp-content\/uploads\/2026\/06\/19729.jpg 1500w, https:\/\/www.1mg.com\/articles\/wp-content\/uploads\/2026\/06\/19729-300x168.jpg 300w, https:\/\/www.1mg.com\/articles\/wp-content\/uploads\/2026\/06\/19729-1024x574.jpg 1024w, https:\/\/www.1mg.com\/articles\/wp-content\/uploads\/2026\/06\/19729-768x431.jpg 768w, https:\/\/www.1mg.com\/articles\/wp-content\/uploads\/2026\/06\/19729-150x84.jpg 150w\" sizes=\"auto, (max-width: 1500px) 100vw, 1500px\" \/><br \/>\nYour immune system is your body&#8217;s natural barrier against harmful pathogens like bacteria, viruses, fungi, and other harmful microorganisms that can make you sick. A well-balanced diet, regular exercise, quality of deep sleep, and stress management are the foundations for a robust immune system. Although several vitamins and minerals can also support the immune system by replacing missing nutrients from food.<\/span><\/p>\n<p><span style=\"font-weight: 400\">No single supplement can prevent you from becoming sick by itself. However, studies show that combining the proper supplements for enhancing immunity with other healthy lifestyle changes can help support your body&#8217;s natural immunity to illness [1]. Vitamin C, vitamin D, zinc, probiotics, and Omega-3 fatty acids all play key roles in how your body reacts to illness and overall wellness.<\/span><\/p>\n<p><span style=\"font-weight: 400\">Below is a summary of some great supplements and how they can contribute to strengthening your immune system.<\/span><\/p>\n<h2><b>1. Vitamin C<\/b><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-157683 size-full\" src=\"https:\/\/www.1mg.com\/articles\/wp-content\/uploads\/2025\/10\/shutterstock_2638784817.jpg\" alt=\"Vitamin C\" width=\"1000\" height=\"613\" srcset=\"https:\/\/www.1mg.com\/articles\/wp-content\/uploads\/2025\/10\/shutterstock_2638784817.jpg 1000w, https:\/\/www.1mg.com\/articles\/wp-content\/uploads\/2025\/10\/shutterstock_2638784817-300x184.jpg 300w, https:\/\/www.1mg.com\/articles\/wp-content\/uploads\/2025\/10\/shutterstock_2638784817-768x471.jpg 768w, https:\/\/www.1mg.com\/articles\/wp-content\/uploads\/2025\/10\/shutterstock_2638784817-150x92.jpg 150w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/p>\n<p><span style=\"font-size: 14px;font-weight: 400\"><a href=\"https:\/\/www.1mg.com\/articles\/10-vitamin-c-foods-that-help-keep-your-skin-firm-and-healthy\/\">Vitamin C<\/a> is still the most popular and trusted supplement for enhancing immunity. As an antioxidant, it protects the body from the damaging effects of free radicals and supports the body&#8217;s production of and ability to use white blood cells that fight infections. Taking vitamin C regularly also supports the health of your skin, which is your primary defense against infection.<\/span><\/p>\n<p><b>Benefits\u200b of Vitamin C:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Supports white blood cell development and function.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Assists in reducing oxidative stress.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">May help to promote wound healing.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Promotes good skin health (first line of defense).<\/span><\/li>\n<\/ul>\n<p><b>Food Sources\u200b<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Oranges<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Lemons<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Guava<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Kiwifruit<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Bell peppers<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Strawberries<\/span><\/li>\n<\/ul>\n<p><a href=\"https:\/\/www.1mg.com\/articles\/vitamin-c-rich-indian-foods-monsoon-immunity\/\"><strong>Support your immunity naturally this monsoon with these 8 vitamin C-rich Indian foods.<\/strong><\/a><\/p>\n<p><b>Recommended Amounts<br \/>\n<\/b><span style=\"font-size: 14px;font-weight: 400\">Most adults require 90\u2013120 mg of vitamin C daily [2]. Doses above the recommended daily amount should only be taken under medical supervision, as excess Vitamin C can cause digestive discomfort and kidney stone risk in susceptible individuals.\u00a0<\/span><\/p>\n<h2><b>2. Vitamin D<\/b><\/h2>\n<p><span style=\"font-size: 14px;font-weight: 400\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-142237 size-full\" src=\"https:\/\/www.1mg.com\/articles\/wp-content\/uploads\/2025\/08\/shutterstock_2348925049.jpg\" alt=\"Vitamin,D,In,Capsules,On,A,Yellow,Background\" width=\"1000\" height=\"667\" srcset=\"https:\/\/www.1mg.com\/articles\/wp-content\/uploads\/2025\/08\/shutterstock_2348925049.jpg 1000w, https:\/\/www.1mg.com\/articles\/wp-content\/uploads\/2025\/08\/shutterstock_2348925049-300x200.jpg 300w, https:\/\/www.1mg.com\/articles\/wp-content\/uploads\/2025\/08\/shutterstock_2348925049-768x512.jpg 768w, https:\/\/www.1mg.com\/articles\/wp-content\/uploads\/2025\/08\/shutterstock_2348925049-150x100.jpg 150w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><br \/>\nVitamin D is crucial for controlling the immune system; low levels of vitamin D are correlated with a higher likelihood of contracting respiratory infections.<\/span><\/p>\n<p><span style=\"font-size: 14px;font-weight: 400\">\u200bAs many people spend time indoors or use sunscreen, many are deficient in Vitamin D.<\/span><\/p>\n<p><b>Benefits of Vitamin D:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">\u200bPromotes activity in immune cells.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Helps to regulate the body\u2019s inflammatory response.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">May prevent certain respiratory infections.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Promotes strong bones and muscles.<\/span><\/li>\n<\/ul>\n<p><b>Food Sources of Vitamin D<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Fatty Fish<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Egg Yolks<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Fortified Milk<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Sunlight-Exposed Mushrooms<br \/>\n<\/span><\/li>\n<\/ul>\n<p><a href=\"https:\/\/www.1mg.com\/articles\/10-healthy-foods-rich-in-vitamin-d-you-should-add-to-your-diet\/\"><strong data-start=\"38\" data-end=\"136\">Looking for more natural sources of vitamin D? Discover 10 healthy foods to add to your diet today!<\/strong><\/a><\/p>\n<p><b>Recommended Amounts<\/b><span style=\"font-size: 14px;font-weight: 400\"><br \/>\nThe recommended daily amount of Vitamin D varies based on both age and health status; however, for most adults, the adequate intake of Vitamin D is currently considered to be 600-800 IU, with higher amounts only to be used under a doctor&#8217;s supervision [3].<\/span><\/p>\n<h2><b>3. Zinc<\/b><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-178216 size-full\" src=\"https:\/\/www.1mg.com\/articles\/wp-content\/uploads\/2026\/04\/372.jpg\" alt=\"Zinc\" width=\"1000\" height=\"666\" srcset=\"https:\/\/www.1mg.com\/articles\/wp-content\/uploads\/2026\/04\/372.jpg 1000w, https:\/\/www.1mg.com\/articles\/wp-content\/uploads\/2026\/04\/372-300x200.jpg 300w, https:\/\/www.1mg.com\/articles\/wp-content\/uploads\/2026\/04\/372-768x511.jpg 768w, https:\/\/www.1mg.com\/articles\/wp-content\/uploads\/2026\/04\/372-150x100.jpg 150w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/p>\n<p><span style=\"font-weight: 400\">Zinc is an essential mineral that is involved in hundreds of enzyme reactions in the body, including those that control the body\u2019s immune reaction. <\/span><span style=\"font-weight: 400\">Decreases in Zinc levels can compromise the immune response, resulting in infections.<\/span><\/p>\n<p><b>\u200bBenefits of Zinc:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Aids in the development of immune cells.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Aids in faster wound healing.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">May decrease the duration of the common cold if taken early.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Aids in skin health.<\/span><\/li>\n<\/ul>\n<p><b>Food Sources of Zinc<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Pumpkin Seeds<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Chickpeas<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Lentils<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Nuts<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Seafood<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Lean Meats<\/span><\/li>\n<\/ul>\n<p><b>Recommended Amounts<\/b><\/p>\n<p><span style=\"font-weight: 400\">\u200bEach adult typically needs 8-11 mg\/day of Zinc [4].<\/span><\/p>\n<h2><b>4. Probiotics<\/b><\/h2>\n<p><span style=\"font-weight: 400\">\u200b<img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-154297 size-full\" src=\"https:\/\/www.1mg.com\/articles\/wp-content\/uploads\/2025\/09\/119224.jpg\" alt=\"probiotics\" width=\"1000\" height=\"560\" srcset=\"https:\/\/www.1mg.com\/articles\/wp-content\/uploads\/2025\/09\/119224.jpg 1000w, https:\/\/www.1mg.com\/articles\/wp-content\/uploads\/2025\/09\/119224-300x168.jpg 300w, https:\/\/www.1mg.com\/articles\/wp-content\/uploads\/2025\/09\/119224-768x430.jpg 768w, https:\/\/www.1mg.com\/articles\/wp-content\/uploads\/2025\/09\/119224-150x84.jpg 150w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><br \/>\nAround seventy percent of the immune system is tied directly to the gut; helping to maintain that healthy balance of beneficial gut bacteria may improve immune function.<\/span><\/p>\n<p><span style=\"font-weight: 400\">Probiotics are the \u201clive\u201d bacteria that help promote a healthy gut microbiome.<\/span><\/p>\n<p><b>\u200bBenefits of Probiotics:<\/b><\/p>\n<p><span style=\"font-weight: 400\">They promote healthy digestion, help with the regulation of the immune response, possibly decrease the frequency of certain infections, and can help restore gut bacteria after the use of antibiotics.<\/span><\/p>\n<p><b>Food Sources<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Yogurt<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Kefir<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Kimchi<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Sauerkraut<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Fermented vegetables<\/span><\/li>\n<\/ul>\n<p><b>Recommended Amounts<br \/>\n<\/b><span style=\"font-size: 14px;font-weight: 400\">1\u201310 billion CFU (colony-forming units) daily for general gut and immune health [5]. Follow the dosage recommended on the product label, as it varies by strain.<\/span><\/p>\n<h2><b>5. Vitamin A<\/b><\/h2>\n<p><span style=\"font-weight: 400\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-186814 size-full\" src=\"https:\/\/www.1mg.com\/articles\/wp-content\/uploads\/2026\/06\/13129.jpg\" alt=\"Vitamin A\" width=\"1500\" height=\"841\" srcset=\"https:\/\/www.1mg.com\/articles\/wp-content\/uploads\/2026\/06\/13129.jpg 1500w, https:\/\/www.1mg.com\/articles\/wp-content\/uploads\/2026\/06\/13129-300x168.jpg 300w, https:\/\/www.1mg.com\/articles\/wp-content\/uploads\/2026\/06\/13129-1024x574.jpg 1024w, https:\/\/www.1mg.com\/articles\/wp-content\/uploads\/2026\/06\/13129-768x431.jpg 768w, https:\/\/www.1mg.com\/articles\/wp-content\/uploads\/2026\/06\/13129-150x84.jpg 150w\" sizes=\"auto, (max-width: 1500px) 100vw, 1500px\" \/><br \/>\nAn important nutrient, vitamin A, helps your immune system function properly. By keeping your skin, lungs, and digestive system in good condition, you&#8217;re also providing a strong defense against harmful bacteria and viruses. Additionally, Vitamin A plays a role in the creation and proper function of immune cells, which are responsible for helping your body fight infections.<\/span><\/p>\n<p><b>Benefits of Vitamin A:<\/b><b><br \/>\n<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Helps the immune system function normally<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Maintains the integrity of skin and mucous membranes, the body&#8217;s first line of defense<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Supports the production and activity of white blood cells that fight infections<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Supports healthy eyes and visual function<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Essential for the proper growth and development of cells<\/span><\/li>\n<\/ul>\n<p><b>Food Sources<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Sweet potatoes<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Carrots<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Spinach<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Kale<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Pumpkin<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Eggs<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Liver<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Fortified dairy products<\/span><\/li>\n<\/ul>\n<p><b>Recommended Amounts<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Men: 900 mcg RAE\/day<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Women: 700 mcg RAE\/day<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400\">Upper limit for adults is 3,000 mcg RAE (retinol activity equivalents ) per day [6].<\/span><span style=\"font-weight: 400\"><br \/>\n<\/span><span style=\"font-weight: 400\"><br \/>\n<\/span><span style=\"font-weight: 400\"><strong>Note:<\/strong> high doses of supplemental vitamin A, particularly preformed vitamin A\/retinol, can be harmful, especially to pregnant women) Avoid going above the upper limit unless advised by a physician.<\/span><\/p>\n<h2><b>6. Omega-3 Fatty Acids<\/b><\/h2>\n<p><span style=\"font-size: 14px;font-weight: 400\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-141896 size-full\" src=\"https:\/\/www.1mg.com\/articles\/wp-content\/uploads\/2025\/08\/shutterstock_2117312315.jpg\" alt=\"Omega -3\" width=\"1000\" height=\"667\" srcset=\"https:\/\/www.1mg.com\/articles\/wp-content\/uploads\/2025\/08\/shutterstock_2117312315.jpg 1000w, https:\/\/www.1mg.com\/articles\/wp-content\/uploads\/2025\/08\/shutterstock_2117312315-300x200.jpg 300w, https:\/\/www.1mg.com\/articles\/wp-content\/uploads\/2025\/08\/shutterstock_2117312315-768x512.jpg 768w, https:\/\/www.1mg.com\/articles\/wp-content\/uploads\/2025\/08\/shutterstock_2117312315-150x100.jpg 150w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><br \/>\n<a href=\"https:\/\/www.1mg.com\/articles\/the-omega-3-glow-up-how-to-take-it-how-much-and-why-it-matters\/\">Omega-3 fatty acids<\/a> are well-known for their support of heart and brain health; however, they also play an important role in the regulation of inflammation (i.e., the right level of inflammation is essential to a normal functioning immune system).<\/span><span style=\"font-size: 14px;font-weight: 400\">\u200b<\/span><\/p>\n<p><b>Benefits of Omega-3 Fatty Acids:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Regulates the immune response<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Promotes a healthy heart<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Reduces long-term inflammation<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Supports the brain<\/span><\/li>\n<\/ul>\n<p><b>Food sources<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Salmon<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Sardines<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Mackerel<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\"><span style=\"font-weight: 400\">Flaxseed<\/span><\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400\">Vitamins, minerals, antioxidants, phytonutrients, and other nutrients are naturally occurring substances found in whole foods; these components provide your body with nutrients needed for good health.<\/span><\/p>\n<p><b>Recommended dosage:<\/b><span style=\"font-weight: 400\"> 250\u2013500 mg\/day of combined EPA and DHA for healthy adults. But before starting any supplements, do consult a physician, especially if you are taking any other medications [7].<\/span><\/p>\n<h2><b>7. Selenium\u00a0<\/b><\/h2>\n<p><span style=\"font-weight: 400\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-186815 size-full\" src=\"https:\/\/www.1mg.com\/articles\/wp-content\/uploads\/2026\/06\/19975.jpg\" alt=\"Se\" width=\"1500\" height=\"1000\" srcset=\"https:\/\/www.1mg.com\/articles\/wp-content\/uploads\/2026\/06\/19975.jpg 1500w, https:\/\/www.1mg.com\/articles\/wp-content\/uploads\/2026\/06\/19975-300x200.jpg 300w, https:\/\/www.1mg.com\/articles\/wp-content\/uploads\/2026\/06\/19975-1024x683.jpg 1024w, https:\/\/www.1mg.com\/articles\/wp-content\/uploads\/2026\/06\/19975-768x512.jpg 768w, https:\/\/www.1mg.com\/articles\/wp-content\/uploads\/2026\/06\/19975-150x100.jpg 150w\" sizes=\"auto, (max-width: 1500px) 100vw, 1500px\" \/><br \/>\nSelenium is one such mineral that supports immune function. Antioxidant properties make selenium an essential mineral for immune defense systems.<\/span><\/p>\n<p><span style=\"font-weight: 400\">Even small deficiencies in selenium may weaken the immune system&#8217;s ability to fight off infections.<\/span><\/p>\n<p><strong>As a result, selenium is important due to:<\/strong><\/p>\n<ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">\u200bProtection from oxidative damage to cells.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Support for immune responses.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Support for thyroid function.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Co-functioning with vitamin E as an antioxidant.<\/span><\/li>\n<\/ul>\n<p><b>Food Sources of Selenium<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Brazil nuts<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Tuna<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Eggs<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Sunflower seeds<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Brown rice<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400\">\u200bSelenium is needed in very small amounts; excess consumption may pose health risks.<\/span><\/p>\n<p><b>Recommended dosage:<\/b><span style=\"font-weight: 400\"> 55 mcg\/day for adults [8].<\/span><\/p>\n\t\t<div class=\"wp-shortcode-web-stories-embed web-stories-embed alignnone\">\n\t\t\t<div class=\"wp-block-embed__wrapper\" style=\"--aspect-ratio: 0.600000; --width: 360px; --height: 600px\">\n\t\t\t\t<amp-story-player>\n\t\t\t\t\t<a href=\"https:\/\/www.1mg.com\/articles\/web-stories\/5-best-supplements-for-a-stronger-immune-system\/\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<img\n\t\t\t\t\t\t\t\tsrc=\"https:\/\/www.1mg.com\/articles\/wp-content\/uploads\/2026\/06\/cropped-32163.jpg\"\n\t\t\t\t\t\t\t\twidth=\"360\"\n\t\t\t\t\t\t\t\theight=\"600\"\n\t\t\t\t\t\t\t\talt=\"5 best supplements for a stronger immune system\"\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\tloading=\"lazy\"\n\t\t\t\t\t\t\t\tdecoding=\"async\"\n\t\t\t\t\t\t\t\tdata-amp-story-player-poster-img\n\t\t\t\t\t\t\t\/>\n\t\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t<\/amp-story-player>\n\t\t\t<\/div>\n\t\t<\/div>\n\t\t\n<h2><b>Can Supplements Replace Healthy Eating?<\/b><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-186816 size-full\" src=\"https:\/\/www.1mg.com\/articles\/wp-content\/uploads\/2026\/06\/16546.jpg\" alt=\"Thinking\" width=\"1500\" height=\"1000\" srcset=\"https:\/\/www.1mg.com\/articles\/wp-content\/uploads\/2026\/06\/16546.jpg 1500w, https:\/\/www.1mg.com\/articles\/wp-content\/uploads\/2026\/06\/16546-300x200.jpg 300w, https:\/\/www.1mg.com\/articles\/wp-content\/uploads\/2026\/06\/16546-1024x683.jpg 1024w, https:\/\/www.1mg.com\/articles\/wp-content\/uploads\/2026\/06\/16546-768x512.jpg 768w, https:\/\/www.1mg.com\/articles\/wp-content\/uploads\/2026\/06\/16546-150x100.jpg 150w\" sizes=\"auto, (max-width: 1500px) 100vw, 1500px\" \/><\/p>\n<p><span style=\"font-weight: 400\">\u200bIn one word, \u201cno\u201d. Supplements don\u2019t replace a healthy diet. Rather, they complement a healthy diet.<\/span><\/p>\n<p><span style=\"font-weight: 400\">Whole foods deliver a range of benefits (i.e., vitamins and minerals) as well as phytonutrients and antioxidants that can work synergistically in ways that cannot be completely replicated by supplements.<\/span><\/p>\n<p><span style=\"font-weight: 400\">To support optimal immune function:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">A variety of colorful fruits and vegetables should be consumed regularly<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Lean sources of protein and whole grains should be included in your daily diet<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Regular exercise should also be performed<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Seven to nine hours of restful sleep should be obtained each night<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Adequate fluid intake is necessary daily<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Stress must be managed effectively<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\"><span style=\"font-weight: 400\">Limit smoking and alcohol consumption as much as possible<\/span><\/span>&nbsp;<\/li>\n<\/ul>\n<header class=\"entry-header\"><a href=\"https:\/\/www.1mg.com\/articles\/magnesium-supplement-benefits-why-you-need-and-which-form-actually-works\/\"><strong>Magnesium Supplement Benefits: Why You Need &amp; Which Form Actually Works<\/strong><\/a><\/header>\n<h2><b>Who Will Benefit from Supplementing Their Immune System?<\/b><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-157367 size-full\" src=\"https:\/\/www.1mg.com\/articles\/wp-content\/uploads\/2025\/10\/1547.jpg\" alt=\"Supplements\" width=\"1000\" height=\"571\" srcset=\"https:\/\/www.1mg.com\/articles\/wp-content\/uploads\/2025\/10\/1547.jpg 1000w, https:\/\/www.1mg.com\/articles\/wp-content\/uploads\/2025\/10\/1547-300x171.jpg 300w, https:\/\/www.1mg.com\/articles\/wp-content\/uploads\/2025\/10\/1547-768x439.jpg 768w, https:\/\/www.1mg.com\/articles\/wp-content\/uploads\/2025\/10\/1547-150x86.jpg 150w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/p>\n<p><span style=\"font-weight: 400\">Some individuals may suffer from deficiencies in their diet for several different reasons. In general, the following populations may benefit from taking a supplemental dosage of vitamins and minerals after being instructed to do so by a healthcare provider:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Senior citizens<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">People following a restricted diet.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Individuals with insufficient levels of vitamin D<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">People recovering from a serious illness<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Anyone with GI problems that will not allow them to absorb nutrients from food they ingest effectively.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\"><span style=\"font-weight: 400\">Vegans and vegetarians whose diets create specific deficiencies.<\/span><\/span><\/li>\n<\/ul>\n<p><b>Note: <\/b><span style=\"font-weight: 400\">All supplementation in these groups should be guided by a qualified healthcare provider following relevant blood tests.\u00a0<\/span><\/p>\n<h2><b>Safety Tips Before Taking Supplements\u00a0<\/b><\/h2>\n<p><span style=\"font-weight: 400\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-80425 size-full\" src=\"https:\/\/www.1mg.com\/articles\/wp-content\/uploads\/2024\/09\/2148530931.jpg\" alt=\"Supplements\" width=\"1000\" height=\"667\" srcset=\"https:\/\/www.1mg.com\/articles\/wp-content\/uploads\/2024\/09\/2148530931.jpg 1000w, https:\/\/www.1mg.com\/articles\/wp-content\/uploads\/2024\/09\/2148530931-300x200.jpg 300w, https:\/\/www.1mg.com\/articles\/wp-content\/uploads\/2024\/09\/2148530931-768x512.jpg 768w, https:\/\/www.1mg.com\/articles\/wp-content\/uploads\/2024\/09\/2148530931-150x100.jpg 150w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><br \/>\nAlthough you can buy natural immunity-improving products without a prescription, large amounts could potentially harm you. Here are some tips to help keep you healthy.<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Follow the recommended amount for each supplement.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Do not take more than one supplement that contains the same ingredient.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">If you take any other medications, pay attention to the possible interaction with your supplement.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">If you are pregnant, nursing, have a long-term medical issue, or are taking prescription medications, consult with your doctor before using any supplement<\/span><\/li>\n<\/ul>\n<h2><b>Summary<\/b><\/h2>\n<p><span style=\"font-weight: 400\">\u200b<img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-178040 size-full\" src=\"https:\/\/www.1mg.com\/articles\/wp-content\/uploads\/2026\/04\/309040.jpg\" alt=\"magnesium supplement benefits\" width=\"1000\" height=\"560\" srcset=\"https:\/\/www.1mg.com\/articles\/wp-content\/uploads\/2026\/04\/309040.jpg 1000w, https:\/\/www.1mg.com\/articles\/wp-content\/uploads\/2026\/04\/309040-300x168.jpg 300w, https:\/\/www.1mg.com\/articles\/wp-content\/uploads\/2026\/04\/309040-768x430.jpg 768w, https:\/\/www.1mg.com\/articles\/wp-content\/uploads\/2026\/04\/309040-150x84.jpg 150w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><br \/>\n<\/span><span style=\"font-size: 14px;font-weight: 400\">Having a well-balanced diet, maintaining a regular exercise routine, getting enough restorative sleep, practicing stress-reduction techniques, and staying hydrated are all necessary components of a healthy immune system, regardless of whether you decide to take any supplements. There are additional dietary sources of immune system support available through taking vitamin C, vitamin D, zinc, probiotics, omega-3 fatty acids, selenium, and\/or elderberry when used appropriately under the direction of qualified professionals.<\/span><\/p>\n<p><span style=\"font-size: 14px;font-weight: 400\">\u200bSpeak with a qualified professional before beginning any supplement if you have an ongoing medical condition or take medications to determine if the supplement is right for you.<\/span><\/p>\n<h2><b>FAQs<\/b><\/h2>\n<h3><b>Q. What are the best supplements for enhancing the immune system?<\/b><\/h3>\n<p><span style=\"font-weight: 400\">The best supplements to improve your immune system are vitamin C, vitamin D, zinc, probiotics, omega-3, selenium, and elderberry, along with a healthy lifestyle.<\/span><\/p>\n<h3><b>Q. Which vitamins are required to have a healthy immune system?<\/b><\/h3>\n<p><span style=\"font-weight: 400\">Vitamin C, Vitamin D, and zinc all contribute to a healthy immune function.<\/span><\/p>\n<h3><b>Q. Is it safe to take immunity supplements daily?<\/b><\/h3>\n<p><span style=\"font-weight: 400\">Yes, many immunity supplements are safe to take on a daily basis when they are taken within the recommended doses. However, it is recommended to consult a physician before taking any of these supplements.<\/span><\/p>\n<h3><b>Q. Do immunity-supporting supplements really work?<\/b><\/h3>\n<p><span style=\"font-weight: 400\">Immunity-supporting supplements can help support the immune system and can provide nutrients that may be lacking in the diet. However, supplements alone will not provide full benefit; they are best when used as part of a balanced diet, a routine of exercise, and adequate sleep.<\/span><\/p>\n<h3><b>Q. When is the best time to take immunity-supporting supplements?<\/b><\/h3>\n<p><span style=\"font-weight: 400\">Vitamin D and omega-3 should generally be taken with a meal, and probiotics are generally taken before a meal. For best results, you should refer to the usage instructions on the product &amp; consult with your doctor.<\/span><\/p>\n<h3><b>Q. Is it possible to improve the immune system without using supplements?<\/b><\/h3>\n<p><span style=\"font-weight: 400\">Yes. The best way to naturally improve the immune system is to follow a nutritious diet, regularly exercise, get adequate sleep, drink plenty of water, and alleviate stress.<\/span><\/p>\n<h3><b>Q. Are there any side effects of taking too many immunity supplements?\u00a0<\/b><\/h3>\n<p><span style=\"font-weight: 400\">Yes. Overconsumption of certain products can be damaging to your body&#8217;s health. For example, taking too much zinc may diminish your body&#8217;s ability to absorb other nutrients like copper; high doses of Vitamin C can cause an upset stomach; excessive Vitamin D could result in your body developing too much calcium and negatively affecting organ function. Always follow the recommended doses provided by a physician.<br \/>\n<\/span><\/p>\n<p><strong><b>(The article is written by<em>\u00a0<\/em><\/b><a href=\"https:\/\/www.1mg.com\/editorial-policy-processes\/deepa-sarkar-95\"><b><em>Deepa Sarkar, Senior Medical Writer<\/em><\/b><\/a><b>, and reviewed by<a href=\"https:\/\/www.1mg.com\/editorial-policy-processes\/monalisa-deka-18\">\u00a0Monalisa Deka, Deputy Manager, Clinical Health &amp; Content, Medical Affairs<\/a>)<\/b><\/strong><\/p>\n<h2><b>References<\/b><\/h2>\n<ol>\n<li><span style=\"font-weight: 400\">Powell J. Nutrition and immunity [Internet]. The Nutrition Source &#8211; Harvard Chan School. 2020 [cited 2026 June 29]. Available from: https:\/\/nutritionsource.hsph.harvard.edu\/nutrition-and-immunity\/<\/span><\/li>\n<li><span style=\"font-weight: 400\">Nih.gov. [cited 2026 June 29]. Available from: https:\/\/ods.od.nih.gov\/factsheets\/VitaminC-HealthProfessional\/<\/span><\/li>\n<li><span style=\"font-weight: 400\">Otis BO. Vitamin D [Internet]. The Nutrition Source &#8211; Harvard Chan School. 2012 [cited 2026 June 29]. Available from: https:\/\/nutritionsource.hsph.harvard.edu\/vitamin-d\/<\/span><\/li>\n<li><span style=\"font-weight: 400\">Nih.gov. [cited 2026 June 29]. Available from: https:\/\/ods.od.nih.gov\/factsheets\/Zinc-HealthProfessional\/<\/span><\/li>\n<li><span style=\"font-weight: 400\">Nih.gov. [cited 2026 June 29]. Available from: https:\/\/ods.od.nih.gov\/factsheets\/Probiotics-Consumer\/<\/span><\/li>\n<li><span style=\"font-weight: 400\">Nih.gov. [cited 2026 June 29]. Available from: https:\/\/ods.od.nih.gov\/factsheets\/VitaminA-HealthProfessional\/<\/span><\/li>\n<li><span style=\"font-weight: 400\">EFSA Panel on Dietetic Products, Nutrition and Allergies (NDA). Scientific Opinion on the Tolerable Upper Intake Level of eicosapentaenoic acid (EPA), docosahexaenoic acid (DHA) and docosapentaenoic acid (DPA). EFSA J [Internet]. 2012;10(7):2815. Available from: http:\/\/dx.doi.org\/10.2903\/j.efsa.2012.2815<\/span><\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<h2><strong>Recommended Reads<\/strong><\/h2>\n<header class=\"entry-header\"><strong><a href=\"https:\/\/www.1mg.com\/articles\/can-magnesium-supplements-for-sleep-really-help-top-doctor-explains-the-truth\/\" target=\"_blank\" rel=\"noopener\">Can Magnesium Supplements for Sleep Really Help? Top Doctor Explains the Truth<\/a><\/strong><\/header>\n<header>\n<header class=\"entry-header\"><strong><a href=\"https:\/\/www.1mg.com\/articles\/do-collagen-supplements-for-skin-and-hair-really-work\/\" target=\"_blank\" rel=\"noopener\">Do Collagen Supplements for Skin and Hair Really Work?<\/a><\/strong><\/header>\n<\/header>\n","protected":false},"excerpt":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-186818 size-full\" src=\"https:\/\/www.1mg.com\/articles\/wp-content\/uploads\/2026\/06\/19729.jpg\" alt=\"Supplements\" Title=\"Feeling Sick Often? These 7 Supplements May Be What You're Missing\n\" width=\"1500\" height=\"841\" srcset=\"https:\/\/www.1mg.com\/articles\/wp-content\/uploads\/2026\/06\/19729.jpg 1500w, https:\/\/www.1mg.com\/articles\/wp-content\/uploads\/2026\/06\/19729-300x168.jpg 300w, https:\/\/www.1mg.com\/articles\/wp-content\/uploads\/2026\/06\/19729-1024x574.jpg 1024w, https:\/\/www.1mg.com\/articles\/wp-content\/uploads\/2026\/06\/19729-768x431.jpg 768w, https:\/\/www.1mg.com\/articles\/wp-content\/uploads\/2026\/06\/19729-150x84.jpg 150w\" sizes=\"auto, (max-width: 1500px) 100vw, 1500px\" \/><\/p>\n","protected":false},"author":73,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[499],"tags":[39236,35227,39234,179,39235,192,39233,39230,39231,39232],"class_list":["post-186812","post","type-post","status-publish","format-standard","hentry","category-supplements","tag-boost-immunity","tag-boost-immunity-naturally","tag-omega-3-supplements","tag-probiotics","tag-selenium","tag-supplements","tag-vitamin-a-supplements","tag-vitamin-c-supplements","tag-vitamin-d-supplements","tag-zinc-supplements"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Feeling Sick Often? 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