Coffee acts as a laxative by stimulating colon muscle contractions

the verdict

OVERSTATED

true in a weaker form than the claim states

Recorded sources

2 sources for · 0 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Evidence from animal studies indicates that coffee and caffeine stimulate colonic smooth muscle contractions and motility, supporting its traditional use as a laxative.

The analysis

The retrieved literature includes specific in vivo and in vitro animal studies showing that coffee and caffeine stimulate colonic spike activity and muscle contractions, thereby supporting the physiological basis for coffee's laxative effect.

what the evidence does support

Coffee and caffeine stimulate colonic muscle contractions in animal studies.

Evidence for · 2

Effects of caffeine on gastrointestinal myoelectric activity and colonic spike activity in dogs.

Recorded source metadata

M Abo, T Kono, C L Lu, J D Chen. Effects of caffeine on gastrointestinal myoelectric activity and colonic spike activity in dogs.. 2000. https://doi.org/10.1080/003655200750023921

Demonstrates that caffeine increases spike activity and contractility in the colon of dogs.

Source citation format

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More for · 1

Mechanistic Study of Coffee Effects on Gut Microbiota and Motility in Rats.

Recorded source metadata

Shrilakshmi Hegde, Daniel W Shi, John C Johnson, Ramasatyaveni Geesala, Ke Zhang, You-Min Lin, Xuan-Zheng Shi. Mechanistic Study of Coffee Effects on Gut Microbiota and Motility in Rats.. 2022. https://doi.org/10.3390/nu14224877

Shows that coffee dose-dependently causes colonic muscle contractions in vitro.

Source citation format

The paper trail · every fact has a biography

first checked01 Aug 2026

judged → OVERSTATED · 001 Aug 2026

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