{"id":443118,"date":"2025-05-21T06:37:09","date_gmt":"2025-05-21T06:37:09","guid":{"rendered":"https:\/\/health.theemtspot.com\/?p=443118"},"modified":"2026-04-11T19:52:40","modified_gmt":"2026-04-11T19:52:40","slug":"new-study-finds-tea-and-dark-chocolate-may-lower-blood-pressure-naturally","status":"publish","type":"post","link":"https:\/\/www.theemtspot.com\/health\/new-study-finds-tea-and-dark-chocolate-may-lower-blood-pressure-naturally\/","title":{"rendered":"New Study Finds Tea and Dark Chocolate May Lower Blood Pressure Naturally"},"content":{"rendered":"\n<p>A large-scale <strong>meta-analysis<\/strong> has revealed that naturally occurring compounds found in <strong>tea, cocoa, apples, and grapes<\/strong> could contribute to lower blood pressure and improved vascular function. <\/p>\n\n\n\n<p>The study, conducted by researchers at the <strong>University of Surrey<\/strong> and published in the <em>European Journal of Preventive Cardiology<\/em>, analyzed results from <strong>145 randomized controlled trials<\/strong> to evaluate the cardiovascular benefits of <strong>flavan-3-ols<\/strong>.<\/p>\n\n\n\n<p>These findings position <strong>flavan-3-ol-rich foods<\/strong> such as dark chocolate and black or green tea as potential dietary tools in the long-term management of <strong>elevated and high blood pressure<\/strong>\u2014one of the leading risk factors for cardiovascular disease globally.<\/p>\n\n\n\n<p class=\"has-larger-font-size\"><strong>Summary of findings<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The study reviewed data from <strong>145 controlled trials<\/strong>, making it one of the most comprehensive analyses on dietary flavanols to date.<\/li>\n\n\n\n<li>Participants consuming <strong>flavan-3-ols regularly<\/strong> saw measurable reductions in <strong>systolic and diastolic blood pressure<\/strong>, especially among those with elevated levels.<\/li>\n\n\n\n<li>The average reduction in blood pressure was <strong>comparable to some first-line medications<\/strong> used for mild hypertension.<\/li>\n\n\n\n<li>Beyond blood pressure, <strong>endothelial function<\/strong>\u2014a marker of vascular health\u2014improved significantly, regardless of blood pressure changes.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"rtex-highlighter-1\">What Are Flavan-3-ols and How Do They Work?<\/span><\/h2>\n\n\n\n<p><strong>Flavan-3-ols<\/strong> are a subgroup of flavonoids\u2014plant compounds known for their antioxidant and anti-inflammatory properties. <\/p>\n\n\n\n<p>They are especially abundant in the following.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Black and green tea<\/strong><\/li>\n\n\n\n<li><strong>Dark chocolate and cocoa powder<\/strong><\/li>\n\n\n\n<li><strong>Apples<\/strong><\/li>\n\n\n\n<li><strong>Red and purple grapes<\/strong><\/li>\n<\/ul>\n\n\n\n<p>According to the researchers, these compounds support cardiovascular health through:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Endothelial function improvement<\/strong> (enhancing the flexibility and integrity of blood vessels)<\/li>\n\n\n\n<li><strong>Vasodilation<\/strong>, which facilitates easier blood flow<\/li>\n\n\n\n<li><strong>Anti-inflammatory effects<\/strong> on vascular tissue<\/li>\n\n\n\n<li><strong>Reduction of oxidative stress<\/strong>, a contributor to vascular damage<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"rtex-highlighter-1\">Impact on Blood Pressure: Comparable to Medication<\/span><\/h2>\n\n\n\n<p>The meta-analysis revealed that the <strong>blood pressure-lowering effect of flavan-3-ols<\/strong> was most pronounced in individuals with <strong>elevated or stage 1 hypertension<\/strong>. <\/p>\n\n\n\n<p>In these cases:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Systolic blood pressure<\/strong> (the top number) was reduced by an average of several millimeters of mercury (mmHg).<\/li>\n\n\n\n<li><strong>Diastolic pressure<\/strong> also declined, indicating comprehensive circulatory benefits.<\/li>\n<\/ul>\n\n\n\n<p>The magnitude of these changes, though modest, was <strong>similar to effects observed with dietary sodium reduction or mild antihypertensive medication<\/strong>, suggesting real clinical relevance.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"rtex-highlighter-1\">Broader Cardiovascular Benefits<\/span><\/h2>\n\n\n\n<p>Interestingly, researchers also observed <strong>improvements in endothelial function<\/strong> independent of changes in blood pressure. <\/p>\n\n\n\n<p>This means that even in participants whose blood pressure remained stable, the <strong>health of their vascular lining improved<\/strong>, lowering the risk of arterial stiffening, inflammation, and atherosclerosis.<\/p>\n\n\n\n<p>According to <strong>Professor Christian Heiss<\/strong>, lead author of the study and Professor of Cardiovascular Medicine at the University of Surrey:<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u201cThe findings are encouraging for those looking for accessible ways to manage their blood pressure and support their heart health through enjoyable dietary changes.\u201d<\/p>\n<\/blockquote>\n\n\n\n<p>He emphasized that the inclusion of these flavan-3-ol-rich foods should <strong>complement\u2014not replace\u2014medical treatment<\/strong>, and may serve as a <strong>preventive dietary strategy<\/strong>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"rtex-highlighter-1\">Practical Dietary Integration<\/span><\/h2>\n\n\n\n<p>For individuals interested in leveraging these findings, <strong>modest, consistent intake<\/strong> is key. Flavan-3-ols can be introduced through:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>One to two cups of <strong>unsweetened green or black tea<\/strong> daily<\/li>\n\n\n\n<li>A few squares (10\u201320g) of <strong>dark chocolate<\/strong> with \u226570% cocoa content<\/li>\n\n\n\n<li>One <strong>apple<\/strong> or a serving of <strong>grapes<\/strong> with skin<\/li>\n\n\n\n<li>Adding <strong>cocoa powder<\/strong> to smoothies, oats, or yogurt<\/li>\n<\/ul>\n\n\n\n<p>These foods can be incorporated easily into most dietary patterns without requiring drastic changes or supplements.<\/p>\n\r\n\t\t\t<div id=\"daexthefu-container\"\r\n\t\t\t\tclass=\"daexthefu-container daexthefu-layout-side-by-side daexthefu-alignment-left\"\r\n\t\t\t\tdata-post-id=\"443118\">\r\n\r\n\t\t\t\t<div class=\"daexthefu-feedback\">\r\n\t\t\t\t\t<div class=\"daexthefu-text\">\r\n\t\t\t\t\t\t<h3 class=\"daexthefu-title\">Was this helpful?<\/h3>\r\n\t\t\t\t\t<\/div>\r\n\t\t\t\t\t<div class=\"daexthefu-buttons-container\">\r\n\t\t\t\t\t\t<div class=\"daexthefu-buttons\">\r\n\t\t\t\t\t\t\t\r\n\t\t\t<div class=\"daexthefu-yes daexthefu-button daexthefu-button-type-text\" data-value=\"1\">\r\n\t\t\t\t<div class=\"daexthefu-button-text\">Yes<\/div>\r\n\t\t\t<\/div>\r\n\r\n\t\t\t\t\t\t\t\t\t\t\r\n\t\t\t<div class=\"daexthefu-no daexthefu-button daexthefu-button-type-text\" data-value=\"0\">\r\n\t\t\t\t<div class=\"daexthefu-button-text\">No<\/div>\r\n\t\t\t<\/div>\r\n\r\n\t\t\t\t\t\t\t\t\t<\/div>\r\n\t\t\t\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\r\n\t\t\t\t<div class=\"daexthefu-comment\">\r\n\t\t\t\t\t<div class=\"daexthefu-comment-top-container\">\r\n\t\t\t\t\t\t<label id=\"daexthefu-comment-label\" class=\"daexthefu-comment-label\"><\/label>\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"daexthefu-comment-character-counter-container\">\r\n\t\t\t\t\t\t\t\t<div id=\"daexthefu-comment-character-counter-number\"\r\n\t\t\t\t\t\t\t\t\tclass=\"daexthefu-comment-character-counter-number\"><\/div>\r\n\t\t\t\t\t\t\t\t<div class=\"daexthefu-comment-character-counter-text\"><\/div>\r\n\t\t\t\t\t\t\t<\/div>\r\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\r\n\t\t\t\t\t<textarea id=\"daexthefu-comment-textarea\" class=\"daexthefu-comment-textarea\"\r\n\t\t\t\t\t\t\t\tplaceholder=\"Type your message\"\r\n\t\t\t\t\t\t\t\tmaxlength=\"\r\n\t\t\t\t\t\t\t\t400\t\t\t\t\t\t\t\t\t\"><\/textarea>\r\n\t\t\t\t\t<div class=\"daexthefu-comment-buttons-container\">\r\n\t\t\t\t\t\t<button class=\"daexthefu-comment-submit daexthefu-button\">Submit<\/button>\r\n\t\t\t\t\t\t<button class=\"daexthefu-comment-cancel daexthefu-button\">Cancel<\/button>\r\n\t\t\t\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\r\n\t\t\t\t<div class=\"daexthefu-successful-submission-text\">Thanks for your feedback!<\/div>\r\n\r\n\t\t\t<\/div>\r\n\r\n\t\t\t","protected":false},"excerpt":{"rendered":"<p>A meta-analysis of 145 trials shows that flavan-3-ols in tea and cocoa can reduce blood pressure and improve vascular health. Learn how these foods work.<\/p>\n","protected":false},"author":2,"featured_media":443124,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_helpful_status":1,"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","footnotes":""},"categories":[736,7],"tags":[],"class_list":["post-443118","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","category-blood-pressure"],"_links":{"self":[{"href":"https:\/\/www.theemtspot.com\/health\/wp-json\/wp\/v2\/posts\/443118","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.theemtspot.com\/health\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.theemtspot.com\/health\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.theemtspot.com\/health\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.theemtspot.com\/health\/wp-json\/wp\/v2\/comments?post=443118"}],"version-history":[{"count":1,"href":"https:\/\/www.theemtspot.com\/health\/wp-json\/wp\/v2\/posts\/443118\/revisions"}],"predecessor-version":[{"id":538404,"href":"https:\/\/www.theemtspot.com\/health\/wp-json\/wp\/v2\/posts\/443118\/revisions\/538404"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.theemtspot.com\/health\/wp-json\/wp\/v2\/media\/443124"}],"wp:attachment":[{"href":"https:\/\/www.theemtspot.com\/health\/wp-json\/wp\/v2\/media?parent=443118"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.theemtspot.com\/health\/wp-json\/wp\/v2\/categories?post=443118"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.theemtspot.com\/health\/wp-json\/wp\/v2\/tags?post=443118"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}