Educational information, not medical advice.See how evidence is graded

Diarrhea: natural remedies and the evidence behind them

19 natural approaches to Diarrhea, graded by evidence — including Zinc, Saccharomyces boulardii and Acupuncture.

19 options1 graded A1 graded B2 graded C15 traditional or ungraded

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What does my diarrhea look like right now?

It hit suddenly — probably a stomach bug, food, travel, or antibiotics

Natural remedy

Zinc

Evidence grade A · No traditional record

Well-studied for acute watery diarrhea in children

Why it may be relevant

A systematic review and meta-analysis supports zinc for acute and persistent watery diarrhea in children; evidence in adults is more limited, but it may still be relevant when diarrhea hits suddenly.

Zinc supports intestinal repair and immune function and may help shorten the duration of acute diarrheal episodes, based mainly on studies in children.

Dose or use Follow product labeling; consult a healthcare practitioner.

Key study Systematic review (2024, PMID 39641338): Zinc supplementation for acute and persistent watery diarrhoea in children: A systematic review and meta-analysis. Evidence is strongest in children, particularly in populations at risk of zinc deficiency.

EvidenceSupported by controlled trialsTime to resultsTypically 3–7 days
Caution: High doses long-term can deplete copper; stay within recommended amounts.
Read the evidence →

Natural remedy

Saccharomyces boulardii

Evidence grade B · No traditional record

Randomized trial supports it for acute infectious diarrhea

Why it may be relevant

A randomized trial in adults with acute viral diarrhea tested this probiotic yeast, so it fits well when symptoms come on suddenly from a bug, food, or antibiotics.

Saccharomyces boulardii is a probiotic yeast that may help shorten acute infectious and antibiotic-associated diarrhea and support the gut lining while it recovers.

Dose or use Follow product labeling; consult a healthcare practitioner.

Key study Randomized trial (2023, PMID 37400812): Effectiveness of Saccharomyces boulardii CNCM I-745 in acute inflammatory viral diarrhoea in adults. Probiotic yeasts are among the better-studied natural options for acute diarrhea, though how much they help varies by cause.

EvidenceSupported by smaller clinical studiesTime to resultsTypically 3–7 days
Caution: Avoid if immunocompromised or with a central venous catheter.
Read the evidence →

Natural remedy

Berberine

Evidence grade not assigned · Traditional use recognised

Traditionally used for gut infections and loose stools

Why it may be relevant

Berberine has a long traditional history of use for diarrhea associated with gut infections, fitting well when symptoms come on suddenly.

Traditionally used for its antimicrobial properties in the gut to help address infectious causes of diarrhea.

Dose or use Follow product labeling; consult a healthcare practitioner.

Key study Traditionally used for this condition; this specific use has not been confirmed in controlled clinical trials.

EvidenceNot yet assessed · We have not reviewed the literature for this oneTime to resultsTypically 3–7 daysTraditional useRecognised traditional use
Caution: May interact with certain medications including blood thinners and diabetes drugs; avoid in pregnancy.
Read the evidence →

Natural remedy

Electrolyte Complex

Evidence grade not assigned · Traditional use long-standing

Replaces the salts and fluid lost with diarrhea

Why it may be relevant

When diarrhea comes on suddenly, the most immediate concern is losing fluid and salts — replacing them is the first thing to focus on.

An electrolyte blend helps replace the sodium, potassium and other salts lost in watery stools — the same principle behind oral rehydration for acute diarrhea.

Dose or use Mix per product labeling and sip steadily through the day, taking extra after each loose stool.

Key study Not graded as a specific clinical remedy; electrolyte replacement is standard supportive care to offset fluid loss rather than a studied treatment for the diarrhea itself.

EvidenceCenturies of traditional use · Human evidence not yet assessedTime to resultsSupports you throughout the episodeTraditional useLong-standing traditional staple
Caution: If you can't keep fluids down, see blood in your stool, or feel confused or very weak, seek medical care promptly.
Read the evidence →

Pressure point

PC6 (Neiguan) - Pericardium 6

Evidence grade not assigned · Traditional use long-standing

Traditionally used to ease nausea and GI upset

Why it may be relevant

PC6 is traditionally used to calm nausea and stomach upset that often accompanies sudden, acute diarrhea from illness or food.

Traditionally used to settle the stomach, reduce nausea, and ease accompanying digestive distress during acute episodes.

Dose or use Press firmly 2–3 min, both sides (3 finger-widths below wrist crease, inner forearm), 1–2x daily.

Key study Traditionally used for this condition; this specific use has not been confirmed in controlled clinical trials.

EvidenceCenturies of traditional use · Human evidence not yet assessedTime to resultsTypically within hours to daysTraditional useLong-standing traditional staple
Caution: Check with your healthcare provider before starting, especially if you are pregnant or breastfeeding, take prescription medication, or manage a chronic condition.

What kind of help would I actually use?

Targeted supplements — probiotics, zinc, or rehydration I can start today

Natural remedy

Zinc

Evidence grade A · No traditional record

Well-studied for acute watery diarrhea in children

Why it may be relevant

A systematic review and meta-analysis supports zinc for acute and persistent watery diarrhea in children; evidence in adults is more limited, but it may still be relevant when diarrhea hits suddenly.

Zinc supports intestinal repair and immune function and may help shorten the duration of acute diarrheal episodes, based mainly on studies in children.

Dose or use Follow product labeling; consult a healthcare practitioner.

Key study Systematic review (2024, PMID 39641338): Zinc supplementation for acute and persistent watery diarrhoea in children: A systematic review and meta-analysis. Evidence is strongest in children, particularly in populations at risk of zinc deficiency.

EvidenceSupported by controlled trialsTime to resultsTypically 3–7 days
Caution: High doses long-term can deplete copper; stay within recommended amounts.
Read the evidence →

Natural remedy

Saccharomyces boulardii

Evidence grade B · No traditional record

Randomized trial supports it for acute infectious diarrhea

Why it may be relevant

A randomized trial in adults with acute viral diarrhea tested this probiotic yeast, so it fits well when symptoms come on suddenly from a bug, food, or antibiotics.

Saccharomyces boulardii is a probiotic yeast that may help shorten acute infectious and antibiotic-associated diarrhea and support the gut lining while it recovers.

Dose or use Follow product labeling; consult a healthcare practitioner.

Key study Randomized trial (2023, PMID 37400812): Effectiveness of Saccharomyces boulardii CNCM I-745 in acute inflammatory viral diarrhoea in adults. Probiotic yeasts are among the better-studied natural options for acute diarrhea, though how much they help varies by cause.

EvidenceSupported by smaller clinical studiesTime to resultsTypically 3–7 days
Caution: Avoid if immunocompromised or with a central venous catheter.
Read the evidence →

Natural remedy

Berberine

Evidence grade not assigned · Traditional use recognised

Traditionally used for gut infections and loose stools

Why it may be relevant

Berberine has a long traditional history of use for diarrhea associated with gut infections, fitting well when symptoms come on suddenly.

Traditionally used for its antimicrobial properties in the gut to help address infectious causes of diarrhea.

Dose or use Follow product labeling; consult a healthcare practitioner.

Key study Traditionally used for this condition; this specific use has not been confirmed in controlled clinical trials.

EvidenceNot yet assessed · We have not reviewed the literature for this oneTime to resultsTypically 3–7 daysTraditional useRecognised traditional use
Caution: May interact with certain medications including blood thinners and diabetes drugs; avoid in pregnancy.
Read the evidence →

Natural remedy

Electrolyte Complex

Evidence grade not assigned · Traditional use long-standing

Replaces the salts and fluid lost with diarrhea

Why it may be relevant

When diarrhea comes on suddenly, the most immediate concern is losing fluid and salts — replacing them is the first thing to focus on.

An electrolyte blend helps replace the sodium, potassium and other salts lost in watery stools — the same principle behind oral rehydration for acute diarrhea.

Dose or use Mix per product labeling and sip steadily through the day, taking extra after each loose stool.

Key study Not graded as a specific clinical remedy; electrolyte replacement is standard supportive care to offset fluid loss rather than a studied treatment for the diarrhea itself.

EvidenceCenturies of traditional use · Human evidence not yet assessedTime to resultsSupports you throughout the episodeTraditional useLong-standing traditional staple
Caution: If you can't keep fluids down, see blood in your stool, or feel confused or very weak, seek medical care promptly.
Read the evidence →

Natural remedy

Probiotics (Lactobacillus plantarum P8)

Evidence grade not assigned · No traditional record

Traditionally used to restore gut microbiome balance

Why it may be relevant

Probiotic strains are traditionally used to rebalance gut flora, which is especially relevant for those with a chronically sensitive or reactive gut.

Traditionally used to replenish beneficial bacteria and support a more balanced, resilient gut environment.

Dose or use Follow product labeling; consult a healthcare practitioner.

Key study Traditionally used for this condition; this specific use has not been confirmed in controlled clinical trials.

EvidenceNot yet assessed · We have not reviewed the literature for this oneTime to resultsTypically 2–6 weeks
Caution: Use caution if immunocompromised; consult a practitioner.
Read the evidence →

What does my diarrhea look like right now?

It keeps coming back — my gut is cramping, reactive, or IBS-like

Natural remedy

Acupuncture

Evidence grade C · Traditional use long-standing

Early clinical research in IBS-related diarrhea

Why it may be relevant

One clinical trial studied acupuncture at specific acupoints for diarrhea-predominant irritable bowel syndrome, so it may fit best when diarrhea is recurrent or gut-sensitive — though evidence is still preliminary.

Acupuncture may help regulate gut motility and reduce the hypersensitivity associated with IBS-related diarrhea, but findings so far come from limited research.

Dose or use Seek a licensed acupuncturist; typically 6–10 sessions assessed over a course of treatment.

Key study RCT (2026, PMID 41735072): a single clinical trial of acupuncture at force-sensitive acupoints for diarrhea-predominant irritable bowel syndrome; findings are preliminary and need replication.

EvidenceCenturies of traditional use · Limited human trials so farTime to resultsTypically 4–8 weeksTraditional useLong-standing traditional staple
Caution: Ensure practitioner is licensed; generally safe when performed correctly.
Read the evidence →

Natural remedy

Peppermint Oil

Evidence grade C · No traditional record

Meta-analysis supports it for IBS cramping and spasm

Why it may be relevant

Peppermint oil has been studied in irritable bowel syndrome, which includes the diarrhea-predominant type, so it may fit a recurring, gut-sensitive pattern — mainly by easing cramping rather than the diarrhea itself.

Peppermint oil relaxes smooth muscle in the gut and may ease the cramping, urgency and bloating that come with IBS; its effect is antispasmodic rather than specifically anti-diarrheal, and study results are mixed.

Dose or use Follow product labeling (enteric-coated capsules preferred); consult a healthcare practitioner.

Key study Systematic review and meta-analysis (2022, PMID 35942669): efficacy of peppermint oil in irritable bowel syndrome. It pools randomized trials on overall IBS symptoms and abdominal pain; benefit for diarrhea specifically is less certain and some recent trials have been less positive.

EvidenceLimited human trials so far · Most of the research is laboratory or animal workTime to resultsTypically 2–4 weeks
Caution: Avoid with acid reflux; enteric-coated form recommended to prevent heartburn.
Read the evidence →

Natural remedy

Chamomile

Evidence grade not assigned · No traditional record

Traditionally used to soothe gut inflammation and spasms

Why it may be relevant

Chamomile's traditional reputation for calming gut inflammation and nervous-system-linked digestive upset fits those with a recurring, stress-sensitive gut.

Traditionally used as an antispasmodic and anti-inflammatory herb to calm intestinal cramping and reduce gut hypersensitivity.

Dose or use 1–3 cups of chamomile tea daily, or follow supplement labeling.

Key study Traditionally used for this condition; this specific use has not been confirmed in controlled clinical trials.

EvidenceNot yet assessed · We have not reviewed the literature for this oneTime to resultsTypically 1–3 weeks
Caution: Avoid if allergic to ragweed or related plants (Asteraceae family).
Read the evidence →

Natural remedy

Probiotics (Lactobacillus plantarum P8)

Evidence grade not assigned · No traditional record

Traditionally used to restore gut microbiome balance

Why it may be relevant

Probiotic strains are traditionally used to rebalance gut flora, which is especially relevant for those with a chronically sensitive or reactive gut.

Traditionally used to replenish beneficial bacteria and support a more balanced, resilient gut environment.

Dose or use Follow product labeling; consult a healthcare practitioner.

Key study Traditionally used for this condition; this specific use has not been confirmed in controlled clinical trials.

EvidenceNot yet assessed · We have not reviewed the literature for this oneTime to resultsTypically 2–6 weeks
Caution: Use caution if immunocompromised; consult a practitioner.
Read the evidence →

Pressure point

SP4 (Gongsun) - Spleen 4

Evidence grade not assigned · Traditional use long-standing

Spleen-meridian point traditionally used for loose stools

Why it may be relevant

SP4 is a classic digestive point in Chinese medicine, traditionally used for recurring loose stools and abdominal discomfort when the gut is sensitive and reactive.

Traditionally used to regulate the Spleen meridian and steady digestion, easing the abdominal upset that comes with recurring diarrhea.

Dose or use Press firmly on the inner arch of the foot, just below and forward of the big-toe joint, 2–3 min each side, 1–2x daily.

Key study Traditionally used for this condition; this specific use has not been confirmed in controlled clinical trials.

EvidenceCenturies of traditional use · Human evidence not yet assessedTime to resultsTypically days to weeks with regular useTraditional useLong-standing traditional staple
Caution: Avoid firm foot pressure during pregnancy; stop if it causes pain.

Pressure point

ST25 (Tianshu) - Stomach 25

Evidence grade not assigned · Traditional use long-standing

Traditionally used to calm the large intestine

Why it may be relevant

ST25 is traditionally associated with digestive regulation and is a primary point for chronic or recurring bowel irregularities.

Traditionally used to support large intestine function and ease abdominal discomfort linked to recurring diarrhea.

Dose or use Press firmly 2–3 min, both sides (2 finger-widths from navel), 1–2x daily.

Key study Traditionally used for this condition; this specific use has not been confirmed in controlled clinical trials.

EvidenceCenturies of traditional use · Human evidence not yet assessedTime to resultsTypically days to weeksTraditional useLong-standing traditional staple
Caution: Avoid deep pressure during pregnancy.

What kind of help would I actually use?

Gentle herbs, teas, and fiber that soothe and firm things up

Natural remedy

Peppermint Oil

Evidence grade C · No traditional record

Meta-analysis supports it for IBS cramping and spasm

Why it may be relevant

Peppermint oil has been studied in irritable bowel syndrome, which includes the diarrhea-predominant type, so it may fit a recurring, gut-sensitive pattern — mainly by easing cramping rather than the diarrhea itself.

Peppermint oil relaxes smooth muscle in the gut and may ease the cramping, urgency and bloating that come with IBS; its effect is antispasmodic rather than specifically anti-diarrheal, and study results are mixed.

Dose or use Follow product labeling (enteric-coated capsules preferred); consult a healthcare practitioner.

Key study Systematic review and meta-analysis (2022, PMID 35942669): efficacy of peppermint oil in irritable bowel syndrome. It pools randomized trials on overall IBS symptoms and abdominal pain; benefit for diarrhea specifically is less certain and some recent trials have been less positive.

EvidenceLimited human trials so far · Most of the research is laboratory or animal workTime to resultsTypically 2–4 weeks
Caution: Avoid with acid reflux; enteric-coated form recommended to prevent heartburn.
Read the evidence →

Natural remedy

Chamomile

Evidence grade not assigned · No traditional record

Traditionally used to soothe gut inflammation and spasms

Why it may be relevant

Chamomile's traditional reputation for calming gut inflammation and nervous-system-linked digestive upset fits those with a recurring, stress-sensitive gut.

Traditionally used as an antispasmodic and anti-inflammatory herb to calm intestinal cramping and reduce gut hypersensitivity.

Dose or use 1–3 cups of chamomile tea daily, or follow supplement labeling.

Key study Traditionally used for this condition; this specific use has not been confirmed in controlled clinical trials.

EvidenceNot yet assessed · We have not reviewed the literature for this oneTime to resultsTypically 1–3 weeks
Caution: Avoid if allergic to ragweed or related plants (Asteraceae family).
Read the evidence →

Natural remedy

Fenugreek

Evidence grade not assigned · Traditional use recognised

Traditionally used to soothe the digestive tract

Why it may be relevant

Fenugreek's traditional use as a digestive soother and stool-normalizing herb makes it a gentle everyday support option.

Traditionally used to coat and soothe the gut lining and help normalize stool consistency through its soluble fiber content.

Dose or use Follow product labeling; consult a healthcare practitioner.

Key study Traditionally used for this condition; this specific use has not been confirmed in controlled clinical trials.

EvidenceNot yet assessed · We have not reviewed the literature for this oneTime to resultsTypically 1–3 weeksTraditional useRecognised traditional use
Caution: Avoid in pregnancy in medicinal amounts; may affect blood sugar levels.
Read the evidence →

Natural remedy

Psyllium Husk

Evidence grade not assigned · No traditional record

Traditionally used to normalize stool consistency

Why it may be relevant

Psyllium's soluble fiber forms a gel in the gut that helps bulk and normalize loose stools, making it a practical everyday support tool.

Traditionally used as a soluble fiber to absorb excess water in the colon and help firm up loose or watery stools.

Dose or use 1 teaspoon to 1 tablespoon in a full glass of water, 1–3x daily; follow product labeling.

Key study Traditionally used for this condition; this specific use has not been confirmed in controlled clinical trials.

EvidenceNot yet assessed · We have not reviewed the literature for this oneTime to resultsTypically 1–3 days
Caution: Always take with plenty of water; may slow absorption of medications — take separately.
Read the evidence →

Natural remedy

Slippery Elm (Ulmus rubra)

Evidence grade not assigned · Traditional use long-standing

Mucilage herb that coats and soothes the gut lining

Why it may be relevant

For a recurring, easily irritated gut, slippery elm offers a different kind of help — a soothing coat over the gut lining rather than a calming or antispasmodic effect.

Traditionally used as a demulcent: its mucilage swells into a gel that coats and soothes an inflamed, reactive gut lining.

Dose or use Follow product labeling — usually a powder stirred into water or taken as capsules, kept apart from other medicines.

Key study Traditionally used for this condition; this specific use has not been confirmed in controlled clinical trials.

EvidenceCenturies of traditional use · Human evidence not yet assessedTime to resultsTypically 1–3 weeksTraditional useLong-standing traditional staple
Caution: Its coating action can slow absorption of medicines and other supplements — take at least 1–2 hours apart.
Read the evidence →

What kind of help would I actually use?

Hands-on approaches — acupressure points or acupuncture

Natural remedy

Acupuncture

Evidence grade C · Traditional use long-standing

Early clinical research in IBS-related diarrhea

Why it may be relevant

One clinical trial studied acupuncture at specific acupoints for diarrhea-predominant irritable bowel syndrome, so it may fit best when diarrhea is recurrent or gut-sensitive — though evidence is still preliminary.

Acupuncture may help regulate gut motility and reduce the hypersensitivity associated with IBS-related diarrhea, but findings so far come from limited research.

Dose or use Seek a licensed acupuncturist; typically 6–10 sessions assessed over a course of treatment.

Key study RCT (2026, PMID 41735072): a single clinical trial of acupuncture at force-sensitive acupoints for diarrhea-predominant irritable bowel syndrome; findings are preliminary and need replication.

EvidenceCenturies of traditional use · Limited human trials so farTime to resultsTypically 4–8 weeksTraditional useLong-standing traditional staple
Caution: Ensure practitioner is licensed; generally safe when performed correctly.
Read the evidence →

Pressure point

PC6 (Neiguan) - Pericardium 6

Evidence grade not assigned · Traditional use long-standing

Traditionally used to ease nausea and GI upset

Why it may be relevant

PC6 is traditionally used to calm nausea and stomach upset that often accompanies sudden, acute diarrhea from illness or food.

Traditionally used to settle the stomach, reduce nausea, and ease accompanying digestive distress during acute episodes.

Dose or use Press firmly 2–3 min, both sides (3 finger-widths below wrist crease, inner forearm), 1–2x daily.

Key study Traditionally used for this condition; this specific use has not been confirmed in controlled clinical trials.

EvidenceCenturies of traditional use · Human evidence not yet assessedTime to resultsTypically within hours to daysTraditional useLong-standing traditional staple
Caution: Check with your healthcare provider before starting, especially if you are pregnant or breastfeeding, take prescription medication, or manage a chronic condition.

Pressure point

SP4 (Gongsun) - Spleen 4

Evidence grade not assigned · Traditional use long-standing

Spleen-meridian point traditionally used for loose stools

Why it may be relevant

SP4 is a classic digestive point in Chinese medicine, traditionally used for recurring loose stools and abdominal discomfort when the gut is sensitive and reactive.

Traditionally used to regulate the Spleen meridian and steady digestion, easing the abdominal upset that comes with recurring diarrhea.

Dose or use Press firmly on the inner arch of the foot, just below and forward of the big-toe joint, 2–3 min each side, 1–2x daily.

Key study Traditionally used for this condition; this specific use has not been confirmed in controlled clinical trials.

EvidenceCenturies of traditional use · Human evidence not yet assessedTime to resultsTypically days to weeks with regular useTraditional useLong-standing traditional staple
Caution: Avoid firm foot pressure during pregnancy; stop if it causes pain.

Pressure point

ST25 (Tianshu) - Stomach 25

Evidence grade not assigned · Traditional use long-standing

Traditionally used to calm the large intestine

Why it may be relevant

ST25 is traditionally associated with digestive regulation and is a primary point for chronic or recurring bowel irregularities.

Traditionally used to support large intestine function and ease abdominal discomfort linked to recurring diarrhea.

Dose or use Press firmly 2–3 min, both sides (2 finger-widths from navel), 1–2x daily.

Key study Traditionally used for this condition; this specific use has not been confirmed in controlled clinical trials.

EvidenceCenturies of traditional use · Human evidence not yet assessedTime to resultsTypically days to weeksTraditional useLong-standing traditional staple
Caution: Avoid deep pressure during pregnancy.

Pressure point

ST36 (Zusanli)

Evidence grade not assigned · Traditional use long-standing

Traditionally used to strengthen digestion overall

Why it may be relevant

ST36 is traditionally regarded as a broad digestive tonic point, making it a good fit for everyday gut support and resilience.

Traditionally used to tonify digestive energy, support gut motility, and improve overall gastrointestinal wellness.

Dose or use Press firmly 2–3 min, both sides (4 finger-widths below kneecap, outside of shinbone), 1–2x daily.

Key study Traditionally used for this condition; this specific use has not been confirmed in controlled clinical trials.

EvidenceCenturies of traditional use · Human evidence not yet assessedTime to resultsTypically weeks with regular useTraditional useLong-standing traditional staple
Caution: Check with your healthcare provider before starting, especially if you are pregnant or breastfeeding, take prescription medication, or manage a chronic condition.

What does my diarrhea look like right now?

I want gentle, everyday help firming up my stools and steadying digestion

Natural remedy

Fenugreek

Evidence grade not assigned · Traditional use recognised

Traditionally used to soothe the digestive tract

Why it may be relevant

Fenugreek's traditional use as a digestive soother and stool-normalizing herb makes it a gentle everyday support option.

Traditionally used to coat and soothe the gut lining and help normalize stool consistency through its soluble fiber content.

Dose or use Follow product labeling; consult a healthcare practitioner.

Key study Traditionally used for this condition; this specific use has not been confirmed in controlled clinical trials.

EvidenceNot yet assessed · We have not reviewed the literature for this oneTime to resultsTypically 1–3 weeksTraditional useRecognised traditional use
Caution: Avoid in pregnancy in medicinal amounts; may affect blood sugar levels.
Read the evidence →

Natural remedy

Psyllium Husk

Evidence grade not assigned · No traditional record

Traditionally used to normalize stool consistency

Why it may be relevant

Psyllium's soluble fiber forms a gel in the gut that helps bulk and normalize loose stools, making it a practical everyday support tool.

Traditionally used as a soluble fiber to absorb excess water in the colon and help firm up loose or watery stools.

Dose or use 1 teaspoon to 1 tablespoon in a full glass of water, 1–3x daily; follow product labeling.

Key study Traditionally used for this condition; this specific use has not been confirmed in controlled clinical trials.

EvidenceNot yet assessed · We have not reviewed the literature for this oneTime to resultsTypically 1–3 days
Caution: Always take with plenty of water; may slow absorption of medications — take separately.
Read the evidence →

Natural remedy

Slippery Elm (Ulmus rubra)

Evidence grade not assigned · Traditional use long-standing

Mucilage herb that coats and soothes the gut lining

Why it may be relevant

For a recurring, easily irritated gut, slippery elm offers a different kind of help — a soothing coat over the gut lining rather than a calming or antispasmodic effect.

Traditionally used as a demulcent: its mucilage swells into a gel that coats and soothes an inflamed, reactive gut lining.

Dose or use Follow product labeling — usually a powder stirred into water or taken as capsules, kept apart from other medicines.

Key study Traditionally used for this condition; this specific use has not been confirmed in controlled clinical trials.

EvidenceCenturies of traditional use · Human evidence not yet assessedTime to resultsTypically 1–3 weeksTraditional useLong-standing traditional staple
Caution: Its coating action can slow absorption of medicines and other supplements — take at least 1–2 hours apart.
Read the evidence →

Pressure point

ST36 (Zusanli)

Evidence grade not assigned · Traditional use long-standing

Traditionally used to strengthen digestion overall

Why it may be relevant

ST36 is traditionally regarded as a broad digestive tonic point, making it a good fit for everyday gut support and resilience.

Traditionally used to tonify digestive energy, support gut motility, and improve overall gastrointestinal wellness.

Dose or use Press firmly 2–3 min, both sides (4 finger-widths below kneecap, outside of shinbone), 1–2x daily.

Key study Traditionally used for this condition; this specific use has not been confirmed in controlled clinical trials.

EvidenceCenturies of traditional use · Human evidence not yet assessedTime to resultsTypically weeks with regular useTraditional useLong-standing traditional staple
Caution: Check with your healthcare provider before starting, especially if you are pregnant or breastfeeding, take prescription medication, or manage a chronic condition.

What does my diarrhea look like right now?

It's been going on a while — I want to rule out depletions and hidden causes

Natural remedy

Magnesium

Evidence grade not assigned · No traditional record

If diarrhea is unexplained, review your magnesium

Why it may be relevant

If you already take a magnesium supplement and have ongoing loose stools, the form you're taking may be part of the problem — worth checking before adding anything new.

This is a check, not a remedy: magnesium oxide and citrate pull water into the gut and can cause or worsen diarrhea. If a magnesium supplement lines up with when your loose stools started, switching to gentler magnesium glycinate or lowering the dose may settle things.

Dose or use Review the magnesium form on any supplement you take; if it's oxide or citrate, ask your practitioner about switching to glycinate or reducing the dose.

Key study Not a remedy for diarrhea — this is a supplement-review check. Certain magnesium forms are known to loosen stools, so it's listed here as something to rule out.

EvidenceNot yet assessed · We have not reviewed the literature for this oneTime to resultsStools often settle within a few days of adjusting the form or dose
Caution: Magnesium oxide and citrate commonly cause loose stools; consult a practitioner before changing supplements, especially if you have kidney disease.
Read the evidence →

Nutrient gap worth checking

Potassium Deficiency

Evidence grade not assigned · Traditional use long-standing

Diarrhea drains potassium — worth checking

Why it may be relevant

If loose stools have been going on for a while, checking whether you've become low in potassium is a sensible root-cause step alongside your other everyday support.

Diarrhea is a common cause of low potassium; if a shortfall shows up, correcting it can ease the muscle cramps, weakness and fatigue that low levels bring.

Dose or use Ask your healthcare practitioner about testing your potassium levels.

Key study A root-cause check, not a treatment claim — diarrhea is a well-known cause of low potassium, so ask your provider to test your levels.

EvidenceCenturies of traditional use · Human evidence not yet assessedTime to resultsVaries by individualTraditional useLong-standing traditional staple
Caution: Don't take potassium supplements on your own — too much is dangerous for the heart and kidneys; test and treat under guidance.

Nutrient gap worth checking

Sodium Deficiency

Evidence grade not assigned · Traditional use long-standing

Watery diarrhea drives sodium loss — check it

Why it may be relevant

Sodium is the main salt lost in watery stools, so if your diarrhea has been ongoing, checking your levels is a reasonable underlying-gaps step.

If prolonged diarrhea has lowered your sodium, restoring balance helps with the headaches, nausea and weakness that low sodium (hyponatremia) can cause.

Dose or use Ask your healthcare practitioner about checking your sodium and overall electrolyte levels.

Key study A root-cause check, not a treatment claim — watery diarrhea drives sodium loss, so ask your provider to test your levels.

EvidenceCenturies of traditional use · Human evidence not yet assessedTime to resultsVaries by individualTraditional useLong-standing traditional staple
Caution: Both too-low and too-high sodium carry risks; correct it with your provider's guidance rather than loading up on salt.

Nutrient gap worth checking

Zinc Deficiency

Evidence grade not assigned · Traditional use long-standing

Low zinc may worsen gut recovery

Why it may be relevant

If you're experiencing ongoing or recurring loose stools, checking whether you're low in zinc is a sensible root-cause step before supplementing.

If you're low in zinc, correcting it can help support a healthy intestinal lining and normal immune response.

Dose or use Ask your healthcare practitioner about testing your zinc levels.

Key study Correcting a documented shortfall can support recovery; this is a root-cause check, not a treatment claim — ask your provider to test your levels.

EvidenceCenturies of traditional use · Human evidence not yet assessedTime to resultsVaries by individualTraditional useLong-standing traditional staple
Caution: Check with your healthcare provider before starting, especially if you are pregnant or breastfeeding, take prescription medication, or manage a chronic condition.

What kind of help would I actually use?

I'd rather check my levels and my current supplements before adding anything

Natural remedy

Magnesium

Evidence grade not assigned · No traditional record

If diarrhea is unexplained, review your magnesium

Why it may be relevant

If you already take a magnesium supplement and have ongoing loose stools, the form you're taking may be part of the problem — worth checking before adding anything new.

This is a check, not a remedy: magnesium oxide and citrate pull water into the gut and can cause or worsen diarrhea. If a magnesium supplement lines up with when your loose stools started, switching to gentler magnesium glycinate or lowering the dose may settle things.

Dose or use Review the magnesium form on any supplement you take; if it's oxide or citrate, ask your practitioner about switching to glycinate or reducing the dose.

Key study Not a remedy for diarrhea — this is a supplement-review check. Certain magnesium forms are known to loosen stools, so it's listed here as something to rule out.

EvidenceNot yet assessed · We have not reviewed the literature for this oneTime to resultsStools often settle within a few days of adjusting the form or dose
Caution: Magnesium oxide and citrate commonly cause loose stools; consult a practitioner before changing supplements, especially if you have kidney disease.
Read the evidence →

Nutrient gap worth checking

Potassium Deficiency

Evidence grade not assigned · Traditional use long-standing

Diarrhea drains potassium — worth checking

Why it may be relevant

If loose stools have been going on for a while, checking whether you've become low in potassium is a sensible root-cause step alongside your other everyday support.

Diarrhea is a common cause of low potassium; if a shortfall shows up, correcting it can ease the muscle cramps, weakness and fatigue that low levels bring.

Dose or use Ask your healthcare practitioner about testing your potassium levels.

Key study A root-cause check, not a treatment claim — diarrhea is a well-known cause of low potassium, so ask your provider to test your levels.

EvidenceCenturies of traditional use · Human evidence not yet assessedTime to resultsVaries by individualTraditional useLong-standing traditional staple
Caution: Don't take potassium supplements on your own — too much is dangerous for the heart and kidneys; test and treat under guidance.

Nutrient gap worth checking

Sodium Deficiency

Evidence grade not assigned · Traditional use long-standing

Watery diarrhea drives sodium loss — check it

Why it may be relevant

Sodium is the main salt lost in watery stools, so if your diarrhea has been ongoing, checking your levels is a reasonable underlying-gaps step.

If prolonged diarrhea has lowered your sodium, restoring balance helps with the headaches, nausea and weakness that low sodium (hyponatremia) can cause.

Dose or use Ask your healthcare practitioner about checking your sodium and overall electrolyte levels.

Key study A root-cause check, not a treatment claim — watery diarrhea drives sodium loss, so ask your provider to test your levels.

EvidenceCenturies of traditional use · Human evidence not yet assessedTime to resultsVaries by individualTraditional useLong-standing traditional staple
Caution: Both too-low and too-high sodium carry risks; correct it with your provider's guidance rather than loading up on salt.

Nutrient gap worth checking

Zinc Deficiency

Evidence grade not assigned · Traditional use long-standing

Low zinc may worsen gut recovery

Why it may be relevant

If you're experiencing ongoing or recurring loose stools, checking whether you're low in zinc is a sensible root-cause step before supplementing.

If you're low in zinc, correcting it can help support a healthy intestinal lining and normal immune response.

Dose or use Ask your healthcare practitioner about testing your zinc levels.

Key study Correcting a documented shortfall can support recovery; this is a root-cause check, not a treatment claim — ask your provider to test your levels.

EvidenceCenturies of traditional use · Human evidence not yet assessedTime to resultsVaries by individualTraditional useLong-standing traditional staple
Caution: Check with your healthcare provider before starting, especially if you are pregnant or breastfeeding, take prescription medication, or manage a chronic condition.

Evidence grades describe the strength of published research for Diarrhea, not a promise of results. A higher grade is not a personal recommendation. Nothing here is medical advice — talk to your clinician before starting anything, especially alongside prescription medication.

The evidence behind Diarrhea, in one page

We track 12 natural options for Diarrhea — what each is typically used for, usual dose, cautions, and the study behind the ones with real trial data.

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Reviewed by the HealisticMD editorial team How we grade evidence →