{"id":67727,"date":"2026-10-20T09:03:50","date_gmt":"2026-10-19T22:03:50","guid":{"rendered":"https:\/\/www.tomgrimshaw.com\/tomsblog\/?p=67727"},"modified":"2026-10-20T09:03:50","modified_gmt":"2026-10-19T22:03:50","slug":"arginine-the-simple-supplement-that-could-help-boost-immune-function","status":"publish","type":"post","link":"https:\/\/www.tomgrimshaw.com\/tomsblog\/?p=67727","title":{"rendered":"Arginine &#8211; The Simple Supplement That Could Help Boost Immune Function"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-67728\" src=\"https:\/\/www.tomgrimshaw.com\/tomsblog\/wp-content\/uploads\/2026\/10\/Arginine.jpg\" alt=\"Arginine\" width=\"642\" height=\"362\" srcset=\"https:\/\/www.tomgrimshaw.com\/tomsblog\/wp-content\/uploads\/2026\/10\/Arginine.jpg 374w, https:\/\/www.tomgrimshaw.com\/tomsblog\/wp-content\/uploads\/2026\/10\/Arginine-300x169.jpg 300w\" sizes=\"auto, (max-width: 642px) 100vw, 642px\" \/><\/p>\n<p>Arginine does more than help build proteins \u2014 your cells also need this amino acid to produce immune-alert proteins that help T cells recognize infected or abnormal cells.<\/p>\n<p>When arginine became scarce, the cellular machinery responsible for building these immune-alert proteins stalled, leaving fewer warning signals available to help the immune system detect threats.<\/p>\n<p>In mice, increasing dietary arginine reduced colon tumor formation and improved outcomes in influenza and SARS-CoV-2 infections, benefits that disappeared when researchers disabled the immune pathway arginine supports, confirming the effect wasn&#8217;t coincidental.<\/p>\n<p>Whole foods are the preferred starting point for maintaining healthy arginine intake, with grass fed beef, lamb and watermelon providing options without relying automatically on supplements.<\/p>\n<p>Adequate protein, sufficient carbohydrates and lower linoleic acid intake support the broader cellular environment your immune system needs to produce energy, build proteins and respond effectively to threats.<\/p>\n<p>(Tom: Some of the reasons I include L-Arginine in several of my nutrition powders.)<\/p>\n<p>Finish reading:\u00a0 \u00a0<a href=\"https:\/\/articles.mercola.com\/sites\/articles\/archive\/2026\/10\/13\/arginine-immune-function.aspx\">https:\/\/articles.mercola.com\/sites\/articles\/archive\/2026\/10\/13\/arginine-immune-function.aspx<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Arginine does more than help build proteins \u2014 your cells also need this amino acid to produce immune-alert proteins that help T cells recognize infected or abnormal cells. When arginine became scarce, the cellular machinery responsible for building these immune-alert proteins stalled, leaving fewer warning signals available to help the immune system detect threats. In &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/www.tomgrimshaw.com\/tomsblog\/?p=67727\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Arginine &#8211; The Simple Supplement That Could Help Boost Immune Function&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5,6],"tags":[],"class_list":["post-67727","post","type-post","status-publish","format-standard","hentry","category-general-interest","category-health-tips"],"_links":{"self":[{"href":"https:\/\/www.tomgrimshaw.com\/tomsblog\/index.php?rest_route=\/wp\/v2\/posts\/67727","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.tomgrimshaw.com\/tomsblog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.tomgrimshaw.com\/tomsblog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.tomgrimshaw.com\/tomsblog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.tomgrimshaw.com\/tomsblog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=67727"}],"version-history":[{"count":1,"href":"https:\/\/www.tomgrimshaw.com\/tomsblog\/index.php?rest_route=\/wp\/v2\/posts\/67727\/revisions"}],"predecessor-version":[{"id":67729,"href":"https:\/\/www.tomgrimshaw.com\/tomsblog\/index.php?rest_route=\/wp\/v2\/posts\/67727\/revisions\/67729"}],"wp:attachment":[{"href":"https:\/\/www.tomgrimshaw.com\/tomsblog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=67727"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.tomgrimshaw.com\/tomsblog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=67727"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.tomgrimshaw.com\/tomsblog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=67727"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}