{"id":520,"date":"2026-08-29T12:51:29","date_gmt":"2026-08-29T04:51:29","guid":{"rendered":"http:\/\/kefir.tw\/en\/can-kefir-help-with-constipation\/"},"modified":"2026-08-29T12:51:29","modified_gmt":"2026-08-29T04:51:29","slug":"can-kefir-help-with-constipation","status":"publish","type":"post","link":"https:\/\/kefir.tw\/en\/can-kefir-help-with-constipation\/","title":{"rendered":"Can Kefir Help With Constipation?"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"520\" class=\"elementor elementor-520 elementor-bc-flex-widget\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6c4f8a1 e-con-full e-flex e-con e-parent\" data-id=\"6c4f8a1\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9b2e7d4 elementor-widget elementor-widget-shortcode\" data-id=\"9b2e7d4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"shortcode.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-shortcode\">\t<div id=\"ktw-main\" class=\"ktw-main ktw-article ktw-beginner-article\">\n\t\t<header class=\"ktw-article-hero\"><div class=\"ktw-article-shell\">\n\t\t\t<p class=\"ktw-kicker\">Health benefits<\/p>\n\t\t\t<h1>How kefir can make bowel movements easier<\/h1>\n\t\t\t<p class=\"ktw-lead\">Milk kefir can help some adults have more frequent, softer bowel movements. In a four-week study, 20 adults with functional constipation improved their bowel frequency, stool consistency, and bowel-transit time.<\/p>\t\t\t<div class=\"ktw-article-meta\"><span>Beginner guide<\/span><span>Updated 30 August 2026<\/span><span>6 minute read<\/span><\/div>\n\t\t<\/div><\/header>\n\t\t\t<figure class=\"ktw-editorial-media ktw-editorial-media--hero\">\n\t\t\t\t\t<img fetchpriority=\"high\" src=\"https:\/\/kefir.tw\/wp-content\/plugins\/kefir-design-system\/assets\/images\/editorial\/article-constipation.webp\" width=\"1280\" height=\"853\" loading=\"eager\" decoding=\"async\" alt=\"A bowl of cereal and muesli\">\n\t\t\t\t\t<\/figure>\n\t\t\t\t<nav class=\"ktw-article-utility\" aria-label=\"Article tools\" data-ktw-save-scope=\"article\">\n\t\t\t\t<button type=\"button\" data-ktw-utility-copy><i class=\"fa-solid fa-link\" aria-hidden=\"true\"><\/i><span>Copy<\/span><\/button>\n\t\t<button type=\"button\" data-ktw-print><i class=\"fa-solid fa-print\" aria-hidden=\"true\"><\/i><span>Print<\/span><\/button>\n\t\t<p class=\"screen-reader-text\" role=\"status\" aria-live=\"polite\" data-ktw-utility-status><\/p>\n\t<\/nav>\n\t\t\t<div class=\"ktw-article-layout ktw-shell\">\n\t\t\t<aside class=\"ktw-at-glance\"><p class=\"ktw-eyebrow\">The answer in plain language<\/p><p>Use kefir as one steady part of a bowel-friendly routine. Begin with 60 to 120 mL, keep fluids and fibre in the day, and follow the changes you can actually notice.<\/p><\/aside>\n\t\t\t<article class=\"ktw-article-body\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<h2>What counts as constipation?<\/h2>\n\t\t\t\t\t\t\t\t\t\t<p>Constipation is not only \u201cI did not go today.\u201d It can mean fewer than three bowel movements a week, hard or lumpy stool, painful or difficult passage, heavy straining, or the feeling that stool remains.<\/p><p>That distinction matters because the useful result is not simply producing more trips to the toilet. Going from hard, difficult stool to a comfortable bowel movement is an improvement. Going from normal stool to urgency or diarrhea is not.<\/p><p>The participants in the kefir study had functional constipation. Their symptoms fit a recognized pattern, but the study was not testing a bowel blockage, a medicine side effect, thyroid disease, or every other cause of constipation.<\/p>\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\t\t\t\t\t\t\t<h2>What changed after four weeks of kefir<\/h2>\n\t\t\t\t\t\t\t\t\t\t<p>The study divided 20 adults into two equal groups. Ten had normal colonic transit and ten had slow transit. Everyone drank 250 mL of a probiotic milk-kefir beverage twice a day, for a total of 500 mL daily. There was no placebo or comparison drink.<\/p><p>Participants recorded stool frequency, stool consistency, straining, and laxative use each day. After four weeks:<\/p><ul><li>stool frequency increased;<\/li><li>stool consistency improved;<\/li><li>laxative use decreased;<\/li><li>bowel satisfaction improved;<\/li><li>the slow-transit group had significantly faster colonic transit;<\/li><li>straining moved in a better direction, but the change was not statistically clear.<\/li><\/ul><p>Eighteen of the 20 participants went more often. The number reporting hard stools fell from 12 to 6. Those details tell the reader what \u201chelp\u201d meant: not a microbiome score, but more frequent and less hard bowel movements.<\/p>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<aside class=\"ktw-article-path\"><span>The next useful question<\/span><a data-no-translation-href href=\"https:\/\/kefir.tw\/en\/kefir-and-gut-health\/\">See where constipation fits in kefir&#039;s gut evidence<i class=\"fa-solid fa-arrow-right\" aria-hidden=\"true\"><\/i><\/a><\/aside>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<h2>How kefir can support easier bowel movements<\/h2>\n\t\t\t\t\t\t\t\t\t\t<p>Kefir brings fluid, microbes, acids, and other fermentation products into the diet. These can affect microbial activity and the way material moves through the colon. The pilot study\u2019s faster transit result supports that possibility, especially in the slow-transit group.<\/p><p>Milk kefir does not bring the fibre that gives stool bulk and helps hold water. This is where many probiotic articles give the reader half a plan. A fermented drink can be one part of the routine, but fruit, vegetables, beans, whole grains, nuts, seeds, and enough fluid do a different job.<\/p><p>Kefir also affects people differently. A large serving can cause gas, cramps, loose stool, or urgency. For someone with lactose intolerance, even fermented milk may still contain more lactose than is comfortable. That is not a cleansing reaction and there is no prize for pushing through it.<\/p>\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\t\t\t\t\t\t\t<h2>Start with a smaller daily serving<\/h2>\n\t\t\t\t\t\t\t\t\t\t<p>Start with 60 to 120 mL of plain kefir once a day. Have it with a familiar meal and keep that amount for the first three servings. If it feels comfortable, move gradually toward a normal glass of roughly 150 to 250 mL.<\/p><p>Choose the base that fits the problem:<\/p><ul><li>plain live-culture milk kefir has the direct constipation study behind it;<\/li><li>lactose-free milk kefir keeps the milk base while removing most lactose from the question;<\/li><li>cultured soy kefir can provide a dairy-free option with useful protein;<\/li><li>water kefir avoids milk but has different microbes and nutrition, and can contain remaining sugar and a small amount of alcohol;<\/li><li>coconut kefir avoids dairy but often supplies little fibre and can be high in saturated fat.<\/li><\/ul><p>These alternatives solve dietary restrictions. They have not all been shown to reproduce the constipation result from the milk-kefir pilot.<\/p>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<aside class=\"ktw-article-path\"><span>The next useful question<\/span><a data-no-translation-href href=\"https:\/\/kefir.tw\/en\/how-much-kefir-should-you-drink\/\">Choose a practical amount instead of copying the trial<i class=\"fa-solid fa-arrow-right\" aria-hidden=\"true\"><\/i><\/a><\/aside>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<h2>Use a four-line bowel tracker<\/h2>\n\t\t\t\t\t\t\t\t\t\t<p>For two to four weeks, record only what helps you decide:<\/p><ol><li>How many bowel movements did you have this week?<\/li><li>Was the stool hard, comfortable, or loose?<\/li><li>Did you strain or feel that stool remained?<\/li><li>Did kefir cause bloating, pain, or urgency?<\/li><\/ol><p>Keep the kefir product and amount steady while you look for a pattern. If bowel movements become easier without new discomfort, the trial is useful. If nothing changes after several weeks, more kefir is not automatically the answer. If stools become loose or urgent, reduce the amount or stop.<\/p>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<aside class=\"ktw-article-path\"><span>The next useful question<\/span><a data-no-translation-href href=\"https:\/\/kefir.tw\/en\/how-to-choose-kefir\/\">Use the five-point kefir label check<i class=\"fa-solid fa-arrow-right\" aria-hidden=\"true\"><\/i><\/a><\/aside>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<h2>Keep the rest of your constipation plan in place<\/h2>\n\t\t\t\t\t\t\t\t\t\t<p>Kefir works best as one part of an ordinary constipation plan.<\/p><h3>Fibre gives stool structure<\/h3><p>Adults generally need 22 to 34 g of fibre a day, depending on age and sex. Increase it gradually. A sudden large increase can cause more gas and bloating, especially if fluid intake stays low.<\/p><h3>Fluid helps fibre work<\/h3><p>Drink enough water and other liquids for your health, activity, and climate. Adding fibre while remaining dehydrated can make hard stool harder to solve.<\/p><h3>Movement and toilet timing help the colon<\/h3><p>Regular physical activity can help. So can giving yourself enough time after breakfast, when eating naturally stimulates the colon. Go when the urge appears instead of repeatedly postponing it.<\/p><h3>Medicines can be part of the cause<\/h3><p>Iron, some antacids, opioid pain medicines, certain antidepressants, and several other medicines can contribute to constipation. The solution is to review the medicine with the prescriber, not to stop it or cover the effect with ever-larger kefir servings.<\/p>\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\t\t\t\t\t\t\t<h2>When constipation needs a different answer<\/h2>\n\t\t\t\t\t\t\t\t\t\t<p>Seek medical care promptly when constipation comes with rectal bleeding, blood in stool, constant abdominal pain, inability to pass gas, vomiting, fever, lower-back pain, or unexplained weight loss. Constipation that does not improve with self-care also needs assessment. Those patterns can point to a problem that a fermented drink cannot fix.<\/p>\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\t\t\t\t\t\t\t<h2>What to do next<\/h2>\n\t\t\t\t\t\t\t\t\t\t<p>Kefir produced a meaningful constipation result in one small four-week human study: more frequent bowel movements, softer stool, less laxative use, and faster transit in people whose colon moved slowly. Try a small daily serving, keep water and fibre-rich food in place, and track the bowel result for two to four weeks. The goal is easier, comfortable stool, not the largest amount of kefir you can tolerate.<\/p>\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\t<h2>Research behind this answer<\/h2>\n\t\t\t\t<ol class=\"ktw-sources\"><li><a data-no-translation-href href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/25599776\/\" rel=\"external noopener\">Effects of a kefir supplement on symptoms, colonic transit, and bowel satisfaction in patients with chronic constipation<\/a><\/li><li><a data-no-translation-href href=\"https:\/\/www.niddk.nih.gov\/health-information\/digestive-diseases\/constipation\/symptoms-causes\" rel=\"external noopener\">NIH NIDDK: Symptoms and causes of constipation<\/a><\/li><li><a data-no-translation-href href=\"https:\/\/www.niddk.nih.gov\/health-information\/digestive-diseases\/constipation\/treatment\" rel=\"external noopener\">NIH NIDDK: Treatment for constipation<\/a><\/li><li><a data-no-translation-href href=\"https:\/\/www.niddk.nih.gov\/health-information\/digestive-diseases\/constipation\/eating-diet-nutrition\" rel=\"external noopener\">NIH NIDDK: Eating, diet, and nutrition for constipation<\/a><\/li><li><a data-no-translation-href href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC12984562\/\" rel=\"external noopener\">Kefir consumption and health effects based on human clinical trials<\/a><\/li><\/ol>\n\t\t\t\t<div class=\"ktw-byline\"><strong>Kefir.tw editorial team<\/strong><span>Published and research checked: 30 August 2026<\/span><\/div>\n\t\t\t<\/article>\n\t\t<\/div>\n\t\t<aside class=\"ktw-article-next\"><p>Where to go next<\/p><h2>Make that serving easy to use in an ordinary meal<\/h2><span>Keep building from the answer you just read.<\/span><a data-no-translation-href class=\"ktw-button\" href=\"https:\/\/kefir.tw\/en\/recipes\/\">Continue reading<\/a><\/aside>\t\t\t\n\t\n\t\t<div class=\"ktwc-endcap\" data-ktwc-endcap>\n\t\t<section class=\"ktwc-readmore\" aria-labelledby=\"ktwc-readmore-title-520\">\n\t\t\t<div class=\"ktwc-shell\">\n\t\t\t\t<div class=\"ktwc-section-heading\">\n\t\t\t\t\t<h2 id=\"ktwc-readmore-title-520\">Read more<\/h2>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"ktwc-carousel\" data-ktwc-carousel>\n\t\t\t\t\t<div class=\"ktwc-track\" data-ktwc-track tabindex=\"0\" aria-label=\"Related articles\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<article class=\"ktwc-story-card\">\n\t\t\t\t\t\t\t\t<a href=\"https:\/\/kefir.tw\/en\/kefir-and-gut-health\/\">\n\t\t\t\t\t\t\t\t\t<div class=\"ktwc-story-card__image\"><img src=\"https:\/\/kefir.tw\/wp-content\/plugins\/kefir-content-source\/assets\/images\/ve-research_visuals-two-outcomes.webp\" alt=\"\" loading=\"lazy\" decoding=\"async\"><\/div>\t\t\t\t\t\t\t\t\t<h3>What does kefir change in your gut?<\/h3>\n\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t<\/article>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<article class=\"ktwc-story-card\">\n\t\t\t\t\t\t\t\t<a href=\"https:\/\/kefir.tw\/en\/how-much-kefir-should-you-drink\/\">\n\t\t\t\t\t\t\t\t\t<div class=\"ktwc-story-card__image\"><img src=\"https:\/\/kefir.tw\/wp-content\/plugins\/kefir-content-source\/assets\/images\/small-serving-with-meal.webp\" alt=\"\" loading=\"lazy\" decoding=\"async\"><\/div>\t\t\t\t\t\t\t\t\t<h3>How much kefir should you drink?<\/h3>\n\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t<\/article>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<article class=\"ktwc-story-card\">\n\t\t\t\t\t\t\t\t<a href=\"https:\/\/kefir.tw\/en\/how-to-choose-kefir\/\">\n\t\t\t\t\t\t\t\t\t<div class=\"ktwc-story-card__image\"><img src=\"https:\/\/kefir.tw\/wp-content\/plugins\/kefir-content-source\/assets\/ve-choice_water-label-reading.webp\" alt=\"\" loading=\"lazy\" decoding=\"async\"><\/div>\t\t\t\t\t\t\t\t\t<h3>How to choose kefir<\/h3>\n\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t<\/article>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<article class=\"ktwc-story-card\">\n\t\t\t\t\t\t\t\t<a href=\"https:\/\/kefir.tw\/en\/can-kefir-help-with-lactose-intolerance\/\">\n\t\t\t\t\t\t\t\t\t<div class=\"ktwc-story-card__image\"><img src=\"https:\/\/kefir.tw\/wp-content\/plugins\/kefir-content-source\/assets\/images\/mag-science-lactose.webp\" alt=\"\" loading=\"lazy\" decoding=\"async\"><\/div>\t\t\t\t\t\t\t\t\t<h3>Can you drink kefir with lactose intolerance?<\/h3>\n\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t<\/article>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<article class=\"ktwc-story-card\">\n\t\t\t\t\t\t\t\t<a href=\"https:\/\/kefir.tw\/en\/can-kefir-help-with-blood-sugar\/\">\n\t\t\t\t\t\t\t\t\t<div class=\"ktwc-story-card__image\"><img src=\"https:\/\/kefir.tw\/wp-content\/plugins\/kefir-content-source\/assets\/images\/mag-science-blood-sugar.webp\" alt=\"\" loading=\"lazy\" decoding=\"async\"><\/div>\t\t\t\t\t\t\t\t\t<h3>Can kefir help with blood sugar?<\/h3>\n\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t<\/article>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<article class=\"ktwc-story-card\">\n\t\t\t\t\t\t\t\t<a href=\"https:\/\/kefir.tw\/en\/kefir-vs-probiotics\/\">\n\t\t\t\t\t\t\t\t\t<div class=\"ktwc-story-card__image\"><img src=\"https:\/\/kefir.tw\/wp-content\/plugins\/kefir-content-source\/assets\/images\/home-food-or-supplement.webp\" alt=\"\" loading=\"lazy\" decoding=\"async\"><\/div>\t\t\t\t\t\t\t\t\t<h3>Should you drink kefir or take a probiotic?<\/h3>\n\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t<\/article>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<article class=\"ktwc-story-card\">\n\t\t\t\t\t\t\t\t<a href=\"https:\/\/kefir.tw\/en\/what-is-kefir-kefir-vs-yogurt\/\">\n\t\t\t\t\t\t\t\t\t<div class=\"ktwc-story-card__image\"><img src=\"https:\/\/kefir.tw\/wp-content\/plugins\/kefir-content-source\/assets\/images\/mag-science-kefir-pour.webp\" alt=\"\" loading=\"lazy\" decoding=\"async\"><\/div>\t\t\t\t\t\t\t\t\t<h3>What is kefir, and how is it different from yogurt?<\/h3>\n\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t<\/article>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<article class=\"ktwc-story-card\">\n\t\t\t\t\t\t\t\t<a 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