4.8
Diverticulitis: natural remedies and the evidence behind them
Diverticulitis occurs when small pouches (diverticula) in the colon wall become inflamed or infected, causing abdominal pain, fever, and digestive upset.
7 options · 1 graded B · 6 traditional or ungraded
Where are you with your diverticulitis right now, and what matters most to you?
Things are calm — I want supports with some evidence behind them to keep the next flare away
Burdock Root (Arctium lappa)
Supported by smaller clinical studies· Centuries of traditional use (Evidence grade B · Traditional use long-standing)Long-standing traditional stapleTraditional root with a trial suggesting fewer flare recurrences
- Why this matches
- Since you are focused on preventing the next flare, burdock is worth knowing about: in a randomized trial of people with acute diverticulitis, those who drank burdock tea daily had noticeably fewer recurrences than those who took nothing. It fits a calm, prevention-focused phase rather than an active attack.
- Why try it
- Burdock root is a traditional digestive herb that is also a source of inulin, a prebiotic fiber. An open-label randomized trial found that daily burdock tea reduced the recurrence of acute diverticulitis compared with no treatment. Because the trial was unblinded and is the main clinical evidence so far, treat this as promising rather than proven.
- Dose or use
- The studied approach was burdock tea about 1.5 grams three times a day. Follow product labeling or a practitioner's guidance, and use it during calm periods, not during an acute flare.
- Time to results
- Prevention benefit was measured over many months of daily use
- Key study
- Randomized Controlled Trial (2019, PMID 31043657): Effects of Burdock tea on recurrence of colonic diverticulitis and diverticular bleeding: An open-labelled randomized clinical trial. In patients with acute colonic diverticulitis, daily burdock tea (1.5 g three times daily) lowered the recurrence rate versus no treatment (10.6% vs 31.8%, p = 0.012) with a longer recurrence-free duration; it did not reduce diverticular bleeding recurrence. The trial was open-label and unblinded, so results should be read with caution.
- Caution
- Avoid burdock if you are allergic to ragweed, daisies, chrysanthemums, or marigolds (the Asteraceae family), as cross-reactions can occur. It is not a treatment for an acute flare or infection. If you are pregnant or breastfeeding, or take diuretics or diabetes or blood-thinning medication, check with your doctor first, and be sure any product is from a reputable source to avoid contamination with lookalike plants.
Fiber Deficiency
Centuries of traditional use· Human evidence not yet assessed (Evidence grade not assigned · Traditional use long-standing)Long-standing traditional stapleLow fiber intake is linked to diverticular disease
- Why this matches
- If you want to reduce the chance of another flare, this is worth understanding: low dietary fiber is one of the most commonly cited modifiable factors associated with diverticular disease. Knowing where you stand helps explain why fiber-based steps are so often recommended.
- Why try it
- Lower fiber intake has been associated with diverticular disease in observational studies, and higher-fiber diets are commonly recommended after recovery from a flare. Evidence that increasing fiber prevents recurrent diverticulitis is limited and largely observational rather than from controlled trials.
- Dose or use
- Aim to gradually reach roughly 25 to 35 grams of fiber daily from varied plant foods, with plenty of fluids.
- Time to results
- Several weeks of consistent higher fiber intake
- Key study
- Observational studies associate low fiber intake with diverticular disease; controlled-trial evidence that increasing fiber prevents recurrent diverticulitis is limited.
- Caution
- Increase fiber slowly to limit gas and bloating, and avoid ramping up during an acute flare. Discuss major dietary changes with your clinician if you have other GI conditions.
Probiotics (Lactobacillus plantarum P8)
Centuries of traditional use· Human evidence not yet assessed (Evidence grade not assigned · Traditional use long-standing)Long-standing traditional stapleSupports gut balance during calm periods
- Why this matches
- While things are calm, keeping your gut microbiome balanced is a gentle way to support everyday digestive comfort. L. plantarum P8 is a studied probiotic strain for gut balance, though it has not been proven specifically to prevent diverticulitis flares.
- Why try it
- L. plantarum P8 has been studied for supporting gut microbiome balance and easing IBS-type symptoms such as bloating and abdominal discomfort. Its specific use for preventing diverticulitis flares has not been confirmed in controlled clinical trials.
- Dose or use
- Follow product labeling; consult a healthcare practitioner.
- Time to results
- Typically 4–12 weeks of consistent use
- Key study
- Studied for gut microbiome balance and IBS-type symptoms; this specific strain has not been tested for preventing acute diverticulitis in controlled clinical trials.
- Caution
- If you are immunocompromised or recovering from a recent acute infection, consult your doctor before starting probiotics.
I have lingering cramps, bloating, or gut irritation and want gentle relief now
Slippery Elm (Ulmus rubra)
Centuries of traditional use· Human evidence not yet assessed (Evidence grade not assigned · Traditional use long-standing)Long-standing traditional stapleMucilage that soothes an irritated gut lining
- Why this matches
- If you are dealing with lingering digestive discomfort, slippery elm's mucilage forms a soothing coat over the digestive tract, which many people find calming for an irritated gut.
- Why try it
- Slippery elm has a long traditional history as a demulcent for IBS, reflux, and inflamed gut tissue. Its use here is traditional and not confirmed by controlled diverticulitis trials.
- Dose or use
- Mix the powder into water or take as directed on the label, separated from other medications by a couple of hours.
- Time to results
- Often within days for soothing comfort
- Key study
- Traditionally used as a soothing demulcent for the digestive tract; not confirmed for diverticulitis in controlled clinical trials.
- Caution
- Because it coats the gut, take it about 2 hours apart from other medications and supplements so it does not reduce their absorption. It is not a treatment for an acute infection.
ST25 (Tianshu) - Stomach 25
Not yet assessed· We have not reviewed the literature for this one (Evidence grade not assigned · Traditional use recognised)Recognised traditional useAbdominal point used for cramps, bloating, gas
- Why this matches
- For gentle relief of lingering abdominal discomfort and bloating, ST25 sits over the large-intestine area and is traditionally pressed to ease cramping, bloating, and irregular bowel movements.
- Why try it
- ST25 (Tianshu) is a classic Traditional Chinese Medicine point for lower-GI complaints. Its benefits come from traditional practice rather than controlled clinical trials.
- Dose or use
- Find the point about two finger-widths to either side of the navel and press gently with small circular motions for 1 to 2 minutes while breathing slowly.
- Time to results
- Immediate to short-term relief during use
- Key study
- Traditional acupressure point for digestive discomfort; supported by TCM practice, not controlled clinical trials.
- Caution
- Use gentle pressure only. Avoid firm abdominal pressure during an acute flare, if you are pregnant, or over any painful, tender, or inflamed area.
Probiotics (Lactobacillus plantarum P8)
Centuries of traditional use· Human evidence not yet assessed (Evidence grade not assigned · Traditional use long-standing)Long-standing traditional stapleSupports gut balance during calm periods
- Why this matches
- While things are calm, keeping your gut microbiome balanced is a gentle way to support everyday digestive comfort. L. plantarum P8 is a studied probiotic strain for gut balance, though it has not been proven specifically to prevent diverticulitis flares.
- Why try it
- L. plantarum P8 has been studied for supporting gut microbiome balance and easing IBS-type symptoms such as bloating and abdominal discomfort. Its specific use for preventing diverticulitis flares has not been confirmed in controlled clinical trials.
- Dose or use
- Follow product labeling; consult a healthcare practitioner.
- Time to results
- Typically 4–12 weeks of consistent use
- Key study
- Studied for gut microbiome balance and IBS-type symptoms; this specific strain has not been tested for preventing acute diverticulitis in controlled clinical trials.
- Caution
- If you are immunocompromised or recovering from a recent acute infection, consult your doctor before starting probiotics.
I'd rather work on the root cause — building up fiber and gut-friendly foods day to day
Fiber Deficiency
Centuries of traditional use· Human evidence not yet assessed (Evidence grade not assigned · Traditional use long-standing)Long-standing traditional stapleLow fiber intake is linked to diverticular disease
- Why this matches
- If you want to reduce the chance of another flare, this is worth understanding: low dietary fiber is one of the most commonly cited modifiable factors associated with diverticular disease. Knowing where you stand helps explain why fiber-based steps are so often recommended.
- Why try it
- Lower fiber intake has been associated with diverticular disease in observational studies, and higher-fiber diets are commonly recommended after recovery from a flare. Evidence that increasing fiber prevents recurrent diverticulitis is limited and largely observational rather than from controlled trials.
- Dose or use
- Aim to gradually reach roughly 25 to 35 grams of fiber daily from varied plant foods, with plenty of fluids.
- Time to results
- Several weeks of consistent higher fiber intake
- Key study
- Observational studies associate low fiber intake with diverticular disease; controlled-trial evidence that increasing fiber prevents recurrent diverticulitis is limited.
- Caution
- Increase fiber slowly to limit gas and bloating, and avoid ramping up during an acute flare. Discuss major dietary changes with your clinician if you have other GI conditions.
Flaxseed (Linum usitatissimum)
Centuries of traditional use· Human evidence not yet assessed (Evidence grade not assigned · Traditional use long-standing)Long-standing traditional stapleFiber-rich seed to support regularity and calm gut
- Why this matches
- For staying flare-free, flaxseed offers gentle bulking fiber plus anti-inflammatory ALA to help keep stools regular and reduce colonic pressure during calm periods.
- Why try it
- Ground flaxseed provides soluble and insoluble fiber along with omega-3 ALA and is a traditional aid for bowel regularity. Its use here reflects dietary and traditional support rather than a specific controlled diverticulitis trial.
- Dose or use
- 1 to 2 tablespoons of ground flaxseed daily with plenty of water. Best used between flares.
- Time to results
- 1 to 3 weeks for improved regularity
- Key study
- Traditionally used as a fiber-rich food for bowel regularity; this specific use is not backed by a controlled trial cited here.
- Caution
- Use ground rather than whole seeds and drink enough fluid. Avoid during an acute flare or bowel obstruction, and introduce gradually.
Psyllium
Centuries of traditional use· Human evidence not yet assessed (Evidence grade not assigned · Traditional use long-standing)Long-standing traditional stapleBulking fiber to keep stools regular between flares
- Why this matches
- Since you are focused on preventing the next flare, gently increasing soluble fiber is one of the most practical steps. Psyllium adds bulk and softness to stool, which helps reduce pressure in the colon.
- Why try it
- Psyllium is a soluble, bulk-forming fiber long used to normalize stool and ease constipation, and adequate fiber intake is a widely recommended part of diverticular-disease care. The support here comes from dietary guidance and long-standing use rather than a specific controlled diverticulitis trial.
- Dose or use
- Start low, about 1 teaspoon in a full glass of water, and increase gradually with plenty of fluids. Use between flares, not during an acute attack.
- Time to results
- Days to a few weeks for more regular stools
- Key study
- Traditionally and widely used as a bulk-forming fiber for bowel regularity; not tied to a specific controlled diverticulitis trial here.
- Caution
- Always take with plenty of water. Do not use during an acute flare or if you have a bowel obstruction, and introduce it slowly to limit gas and bloating.
Evidence grades describe the strength of published research for Diverticulitis, not a promise of results. Nothing here is medical advice — talk to your clinician before starting anything, especially alongside prescription medication.