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Health effect

Digestive sensitivity

This page reviews digestive discomfort through evidence on irritable bowel syndrome and supplement tolerability.

Gut Health

What does digestive sensitivity mean here?

This page focuses on recurrent bowel discomfort. Irritable bowel syndrome (IBS) can involve pain, bloating and altered stools; lactose intolerance and celiac disease can cause similar symptoms. 1

When is assessment important?

Blood in stool warrants medical assessment. Weight loss or fever can indicate another condition. IBS diagnosis considers symptoms and excludes other explanations. 1

Nutrients with the strongest ratings

Sorted by the largest rated effect. Bars show effect size, the letter is the evidence grade.

ProbioticsModerateA
BerberineModerateB
Lactobacillus acidophilusModerateB
Bifidobacterium lactisModerateB
PrebioticsModerateB
PostbioticsModerateB
Bifidobacterium longumModerateB
Lactobacillus ReuteriModerateB
All 46 ratingsEvery nutrient rated for digestive sensitivity, with search

Which supplements have evidence?

The evidence summarized here concerns IBS, not every cause of digestive discomfort. 2

Peppermint oilMixed

Some people obtain short-term relief from enteric-coated capsules; heartburn can occur. 2

ProbioticsMixed

Some trials suggest relief, but the best strains and doses remain uncertain. 2

Can supplements worsen symptoms?

Berberine can cause nausea, abdominal pain, constipation or diarrhea. It can interact with medicines, including cyclosporine, and may be unsafe during pregnancy or breastfeeding. 3

What else matters?

A food and symptom diary can help identify patterns. Cognitive behavioral therapy and physical activity may help some people with IBS. 2

Questions people ask

Is this always IBS?

No. Similar symptoms can accompany lactose intolerance or celiac disease. 1

Are peppermint drops equivalent to capsules?

Evidence for drops is uncertain; studies used enteric-coated capsules. 2

Can probiotics cause gas?

Mild gas occasionally occurs. 2

Is berberine gentle on digestion?

Not necessarily: gastrointestinal adverse effects are reported. 3

Sources