{"id":68142,"date":"2026-10-17T09:00:00","date_gmt":"2026-10-17T13:00:00","guid":{"rendered":"https:\/\/www.jinfiniti.com\/blog\/?p=68142"},"modified":"2026-10-13T10:01:07","modified_gmt":"2026-10-13T14:01:07","slug":"mediterranean-diet-fatty-liver","status":"publish","type":"post","link":"https:\/\/www.jinfiniti.com\/blog\/mediterranean-diet-fatty-liver\/","title":{"rendered":"Mediterranean Diet and Fatty Liver: What the Trials Found"},"content":{"rendered":"<style>.kadence-columncm_59ff3b-4a > .kt-inside-inner-col{padding-top:var(--global-kb-spacing-sm, 1.5rem);padding-right:var(--global-kb-spacing-sm, 1.5rem);padding-bottom:var(--global-kb-spacing-sm, 1.5rem);padding-left:var(--global-kb-spacing-md, 2rem);}.kadence-columncm_59ff3b-4a > .kt-inside-inner-col{border-top:1px solid #000000;border-right:1px solid #000000;border-bottom:5px solid #000000;border-left:1px solid #000000;}.kadence-columncm_59ff3b-4a > .kt-inside-inner-col,.kadence-columncm_59ff3b-4a > .kt-inside-inner-col:before{border-top-left-radius:10px;border-top-right-radius:10px;border-bottom-right-radius:10px;border-bottom-left-radius:10px;}.kadence-columncm_59ff3b-4a > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-columncm_59ff3b-4a > .kt-inside-inner-col{flex-direction:column;}.kadence-columncm_59ff3b-4a > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-columncm_59ff3b-4a > .kt-inside-inner-col{background-color:#ffffff;}.kadence-columncm_59ff3b-4a > .kt-inside-inner-col:before{opacity:0.3;}.kadence-columncm_59ff3b-4a{position:relative;}@media all and (max-width: 1024px){.kadence-columncm_59ff3b-4a > .kt-inside-inner-col{border-top:1px solid #000000;border-right:1px solid #000000;border-bottom:5px solid #000000;border-left:1px solid #000000;flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-columncm_59ff3b-4a > .kt-inside-inner-col{border-top:1px solid #000000;border-right:1px solid #000000;border-bottom:5px solid #000000;border-left:1px solid #000000;flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-columncm_59ff3b-4a\"><div class=\"kt-inside-inner-col\">\n<h3 class=\"wp-block-heading has-text-align-left\">The Short Answer<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Research shows the Mediterranean diet lowers liver fat in several trials, though low-fat diets performed about as well.<\/li>\n\n\n\n<li>Liver fat fell in some trials with little weight loss, so the food pattern itself seems to matter.<\/li>\n\n\n\n<li>Start with olive oil, legumes, fish and nuts, cut sugary drinks, and retest ALT and triglycerides in 12 weeks.<\/li>\n\n\n\n<li>Liver fat came back in a 5- and 10-year follow-up, so choose a plan you can keep.<\/li>\n<\/ul>\n<\/div><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Your lab report comes back with an ALT a few points over the range and a line from the radiologist that reads &#8220;hepatic steatosis&#8221; (fatty liver, or fat stored in the liver). By Thursday you have saved nine meal plans and a stranger&#8217;s opinion on chickpeas. <strong>For fatty liver, the Mediterranean diet is one of the most studied eating patterns, and several randomized trials show it lowers liver fat, in some cases with little weight loss, though a low-fat diet did about as well and calorie balance still counts.<\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Four Trials Measured Liver Fat Directly<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Most of the human work uses the older name, NAFLD (now called MASLD, for metabolic dysfunction-associated steatotic liver disease), and measures liver fat directly with magnetic resonance spectroscopy, a scan that reads the fat content of a small patch of liver. Four trials carry most of the weight.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">The Small Crossover Trial<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">In a 2013 crossover trial, <a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/23485520\/\" target=\"_blank\" rel=\"noopener\">12 adults with biopsy-proven NAFLD<\/a> ate a Mediterranean diet for 6 weeks and a low-fat, high-carbohydrate diet for 6 weeks, in random order, with a washout between. Liver fat fell 39% on the Mediterranean diet and 7% on the low-fat diet, while weight change did not differ between the two. Insulin sensitivity improved only on the Mediterranean diet. Twelve people is roughly a dinner party, so treat it as a strong signal rather than a verdict.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">The Head-to-Head Trials<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A 2018 trial randomized 56 adults to <a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/29729189\/\" target=\"_blank\" rel=\"noopener\">a Mediterranean or a low-fat diet for 12 weeks<\/a>, both eaten ad libitum (to appetite, with no calorie counting). Liver fat dropped 32.4% on the Mediterranean diet and 25.0% on the low-fat diet, a gap too small to separate the two diets, and weight loss was about 2 kg in both. Only the Mediterranean group improved triglycerides, HbA1c and total cholesterol, and adherence was 88% against 64% on low-fat.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The 2022 <a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC9544144\/\" target=\"_blank\" rel=\"noopener\">MEDINA trial<\/a> put 42 adults on one diet or the other for 12 weeks and found no difference between them. Liver fat fell 8% on the Mediterranean diet (not statistically significant) and 17% on the low-fat diet, both on a log scale. The authors note that free-living adults find any assigned diet hard to keep, which is worth remembering before you pick a winner.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">The Larger Green-Mediterranean Trial<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">DIRECT PLUS followed <a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC8515100\/\" target=\"_blank\" rel=\"noopener\">294 adults, mostly men, with abdominal obesity<\/a> for 18 months. Everyone followed a weight-loss diet with exercise, in one of three versions. Liver fat fell 12.2% on healthy-eating guidelines, 19.6% on a Mediterranean diet with walnuts, and 38.9% on a &#8220;green&#8221; Mediterranean diet that added green tea, less red and processed meat, and a daily shake of Mankai, a duckweed not usually found between the kale and the oat milk. The share of participants with NAFLD fell from 62% at the start to 31.5% in the green group, against 54.8% on healthy-eating guidelines. Greater loss was linked to more Mankai and walnuts and less red and processed meat.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">The Average Effect and Whether It Lasts<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A pooled analysis shows how big the average change is, and a ten-year follow-up shows what happens when people stop eating the study diet.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">What Pooling the Trials Shows<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A 2026 <a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC12906548\/\" target=\"_blank\" rel=\"noopener\">meta-analysis of randomized trials<\/a> in MASLD pooled the Mediterranean diet results. Compared with control diets, scan-measured liver fat was lower by an average of 1.37 percentage points across five trials, and ALT was lower by about 3 IU\/L across nine. Those are modest averages, and the authors call for larger, longer trials that match calories between diets.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">What Happened After the Trials Ended<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A 2026 <a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC13340449\/\" target=\"_blank\" rel=\"noopener\">5- and 10-year follow-up<\/a> of two trials, DIRECT PLUS among them, reached 366 of 381 participants. Once the study diets ended, weight returned completely and so did the liver fat the diets had removed, although part of the visceral (deep belly) fat loss held. The pattern works while you are eating it, so pick a version of it you can live with.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">A Week-One Plan You Can Start on Monday<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">This plan borrows the foods the Mediterranean arms had in common and leaves out the study protocols. Pick the moves that fit your week and repeat them.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Habit<\/th><th>Week-One Move<\/th><th>What It Replaces<\/th><\/tr><\/thead><tbody><tr><td>Olive oil<\/td><td>Use extra virgin olive oil as your main cooking and dressing fat<\/td><td>Butter and creamy dressings<\/td><\/tr><tr><td>Legumes<\/td><td>Add beans, lentils or chickpeas to three meals<\/td><td>Refined starch on the plate<\/td><\/tr><tr><td>Fish<\/td><td>Eat two fish meals, such as sardines, salmon or mackerel<\/td><td>A red or processed meat dinner<\/td><\/tr><tr><td>Nuts<\/td><td>Keep a small handful of walnuts or almonds (about 28 g, the walnut amount DIRECT PLUS used) at hand<\/td><td>Chips or crackers<\/td><\/tr><tr><td>Vegetables and whole grains<\/td><td>Fill half the plate with vegetables, and choose whole grains over white<\/td><td>White rice, bread and pasta<\/td><\/tr><tr><td>Sugary drinks<\/td><td>Swap soda, juice and sweetened coffee for water, sparkling water, tea or plain coffee<\/td><td>Liquid sugar<\/td><\/tr><tr><td>Refined carbs<\/td><td>Keep pastries, white bread and sweets to once or twice a week<\/td><td>Daily sweets and baked goods<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Portions still count. The longest trial paired its diets with weight loss and exercise, so eat until comfortably full, not until the plate is empty.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">The Measurement Loop for Liver Fat<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Blood markers are your feedback loop between scans. Both consumer panels, the Ultimate Longevity Panel (50+ biomarkers) and Cellular Essentials (40+ biomarkers), include ALT, triglycerides, HbA1c, GSP, ApoB, LDL and HDL. The Ultimate panel adds glucose and insulin. You can find both under <a href=\"https:\/\/www.jinfiniti.com\/shop\/longevity-blood-test-kits\/\">Jinfiniti&#8217;s longevity blood tests<\/a>.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Marker<\/th><th>Panel<\/th><th>What It Speaks To<\/th><\/tr><\/thead><tbody><tr><td>ALT<\/td><td>Both<\/td><td>A liver enzyme that tends to rise with liver fat. Liver enzymes improved on both diets at 12 weeks in the 2018 trial<\/td><\/tr><tr><td>Triglycerides<\/td><td>Both<\/td><td>Blood fat that is often raised alongside liver fat. It improved on the Mediterranean diet in the 2018 trial<\/td><\/tr><tr><td>HbA1c and GSP<\/td><td>Both<\/td><td>Blood sugar over about 3 months (<a href=\"https:\/\/www.jinfiniti.com\/blog\/hemoglobin-a1c-hba1c-test\/\">HbA1c<\/a>) and about 2 to 3 weeks (<a href=\"https:\/\/www.jinfiniti.com\/blog\/glycated-serum-protein-gsp-test\/\">GSP<\/a>), so GSP can show a change sooner<\/td><\/tr><tr><td>ApoB, LDL, HDL<\/td><td>Both<\/td><td>Heart-risk markers, which matter because NAFLD travels with higher cardiovascular risk. See <a href=\"https:\/\/www.jinfiniti.com\/blog\/how-to-reduce-apob-levels\/\">how to reduce ApoB levels<\/a><\/td><\/tr><tr><td>Glucose and insulin<\/td><td>Ultimate<\/td><td>Fasting sugar and insulin, a window on insulin resistance<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Baseline<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Draw the markers before you change anything and keep the report. Dr. Jin-Xiong She, Jinfiniti&#8217;s founder, puts it this way: &#8220;Measure first, change the plate and keep it steady for twelve weeks, then retest. The numbers tell you whether the plan is working for your biology.&#8221;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">One Steady Change<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Run the week-one plan for the full 12 weeks. The trials above saw liver fat change within 6 to 12 weeks, so a shorter test would be guesswork.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">The 12-Week Retest<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Repeat the same markers at about 12 weeks and compare them line by line. If triglycerides and ALT are lower, the plan is moving things in the right direction. If they are flat, bring the report to your clinician and adjust one thing, such as portions or the sugary drinks.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Safety and Who Should Check First<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">ALT is a general liver enzyme, not a liver fat measurement, so a normal ALT does not rule out fat in the liver and a high one does not confirm it. Our panels do not include AST, GGT or platelets, which a clinician can order, and imaging such as ultrasound, elastography or MRI is a clinician&#8217;s order too. Talk with your clinician before changing your diet if you have a liver diagnosis, take diabetes or cholesterol medicines, or are pregnant. Mention your alcohol intake and any supplements at the same visit, because both change how the results are read.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Frequently Asked Questions<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Are eggs good for fatty liver disease?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Eggs fit inside a Mediterranean-style pattern for most people. The trials above tested whole eating patterns, not eggs alone, so the pattern matters more than any one food. Ask your clinician if you have been told to limit them.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">What food causes fatty liver?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">No single food is to blame. Sugary drinks and refined carbohydrates are the usual first things to cut, because they add calories without much else. Your overall pattern and calorie balance matter more than any one item.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">How fast can liver fat change?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The trials measured drops in liver fat within 6 to 12 weeks, so think in months rather than days. There is no one-week fix. A 12-week retest matches the length of the shorter trials.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Do I need a scan to know if my liver fat is falling?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Blood markers show the direction, but only imaging measures liver fat itself. A clinician orders ultrasound, elastography or MRI. Between scans, ALT and triglycerides give you a trend line.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\ud83e\uddec Related Reading<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.jinfiniti.com\/blog\/healthiest-diet-for-long-life\/\">Healthiest Diet for a Long Life: 8 Simple Choices to Follow<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.jinfiniti.com\/blog\/longevity-diet-myths\/\">10 Longevity Diet Myths That Could Be Shortening Your Life<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.jinfiniti.com\/blog\/best-fatty-liver-supplement\/\">Best Fatty Liver Supplement? Start With the Diagnosis<\/a><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">References<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Ryan MC, Itsiopoulos C, Thodis T, et al. The Mediterranean diet improves hepatic steatosis and insulin sensitivity in individuals with non-alcoholic fatty liver disease. <em>J Hepatol<\/em>. 2013;59(1):138-143. doi:<a href=\"https:\/\/doi.org\/10.1016\/j.jhep.2013.02.012\" target=\"_blank\" rel=\"noopener\">10.1016\/j.jhep.2013.02.012<\/a><\/li>\n\n\n\n<li>Properzi C, O&#8217;Sullivan TA, Sherriff JL, et al. Ad libitum Mediterranean and low-fat diets both significantly reduce hepatic steatosis: a randomized controlled trial. <em>Hepatology<\/em>. 2018;68(5):1741-1754. doi:<a href=\"https:\/\/doi.org\/10.1002\/hep.30076\" target=\"_blank\" rel=\"noopener\">10.1002\/hep.30076<\/a><\/li>\n\n\n\n<li>George ES, Reddy A, Nicoll AJ, et al. Impact of a Mediterranean diet on hepatic and metabolic outcomes in non-alcoholic fatty liver disease: the MEDINA randomised controlled trial. <em>Liver Int<\/em>. 2022;42(6):1308-1322. doi:<a href=\"https:\/\/doi.org\/10.1111\/liv.15264\" target=\"_blank\" rel=\"noopener\">10.1111\/liv.15264<\/a><\/li>\n\n\n\n<li>Yaskolka Meir A, Rinott E, Tsaban G, et al. Effect of green-Mediterranean diet on intrahepatic fat: the DIRECT PLUS randomised controlled trial. <em>Gut<\/em>. 2021;70(11):2085-2095. doi:<a href=\"https:\/\/doi.org\/10.1136\/gutjnl-2020-323106\" target=\"_blank\" rel=\"noopener\">10.1136\/gutjnl-2020-323106<\/a><\/li>\n\n\n\n<li>Stern UM, Wagenpfeil G, Weber SN, et al. The impact of dietary interventions on liver health biomarkers in individuals with metabolic dysfunction-associated steatotic liver disease (MASLD): a systematic literature review and meta-analysis of randomized controlled trials. <em>Eur J Nutr<\/em>. 2026;65(2):58. doi:<a href=\"https:\/\/doi.org\/10.1007\/s00394-025-03870-z\" target=\"_blank\" rel=\"noopener\">10.1007\/s00394-025-03870-z<\/a><\/li>\n\n\n\n<li>Klein H, Alufer L, Goldberg Toren DT, et al. Lifestyle-induced visceral fat loss as a key target for durable cardiometabolic health: MRI-assessed 5- and 10-year follow-up after 2 clinical trials. <em>Circulation<\/em>. 2026;154(1):16-27. doi:<a href=\"https:\/\/doi.org\/10.1161\/CIRCULATIONAHA.125.079009\" target=\"_blank\" rel=\"noopener\">10.1161\/CIRCULATIONAHA.125.079009<\/a><\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>The Short Answer Your lab report comes back with an ALT a few points over the range and a line from the radiologist that reads &#8220;hepatic steatosis&#8221; (fatty liver, or fat stored in the liver). By Thursday you have saved nine meal plans and a stranger&#8217;s opinion on chickpeas. For fatty liver, the Mediterranean diet [&hellip;]<\/p>\n","protected":false},"author":10909,"featured_media":68143,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[341,340,366],"tags":[],"class_list":["post-68142","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-liver-enzymes","category-lipid-metabolism","category-nutrition"],"acf":{"jn_featured_product_image":47776,"jn_featured_product_headline":"Longevity Blood Tests","jn_featured_product_content":"Get a liver and metabolic baseline, then retest after 12 weeks.","jn_featured_product_label":"MEASURE BEFORE YOU CHANGE","jn_featured_product_link":{"title":"See the Panels","url":"https:\/\/www.jinfiniti.com\/shop\/longevity-blood-test-kits\/","target":""}},"_links":{"self":[{"href":"https:\/\/www.jinfiniti.com\/blog\/wp-json\/wp\/v2\/posts\/68142","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.jinfiniti.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.jinfiniti.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.jinfiniti.com\/blog\/wp-json\/wp\/v2\/users\/10909"}],"replies":[{"embeddable":true,"href":"https:\/\/www.jinfiniti.com\/blog\/wp-json\/wp\/v2\/comments?post=68142"}],"version-history":[{"count":2,"href":"https:\/\/www.jinfiniti.com\/blog\/wp-json\/wp\/v2\/posts\/68142\/revisions"}],"predecessor-version":[{"id":68149,"href":"https:\/\/www.jinfiniti.com\/blog\/wp-json\/wp\/v2\/posts\/68142\/revisions\/68149"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.jinfiniti.com\/blog\/wp-json\/wp\/v2\/media\/68143"}],"wp:attachment":[{"href":"https:\/\/www.jinfiniti.com\/blog\/wp-json\/wp\/v2\/media?parent=68142"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.jinfiniti.com\/blog\/wp-json\/wp\/v2\/categories?post=68142"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.jinfiniti.com\/blog\/wp-json\/wp\/v2\/tags?post=68142"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}