bloating
What Actually Causes Bloating
Distension has several distinct mechanisms, and they call for different responses. Here is what the evidence supports.
The Gut-Brain Axis: Signal, Hype, and the Gap Between
The anatomy is uncontested and the human trial evidence is thinner than the headlines. Here is where each part of the claim actually stands.
At-Home Stool Tests: Which Ones Have Been Validated
Some mail-in stool tests carry national screening recommendations and published accuracy data. Others were measured against a reference material and disagreed with each other.
Magnesium Forms Compared: What the Absorption Data Show
Oxide, citrate, chloride, amino acid chelate. Absorption has been compared directly across forms. The laxative effect has not, and the difference between those two statements matters.
GLP-1 Drugs and the Gut: What the Trials Reported
These medicines act on the digestive tract by design. Here is what randomized trials and pharmacovigilance data recorded, and what remains uncertain.
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Fiber Supplements, Ranked by What the Label Actually Delivers
Five fiber supplements on sale in the US, read off their own supplement facts and drug facts panels and assessed against published criteria: the fiber itself, the dose per serving against doses used in trials, and everything in the tub that is not fiber.
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