This means that the amino acid plugs the gaps in the mucosal surface of the gut and prevents bacteria and other irritants from causing more damage in the gastrointestinal tract. (progressivehealth.com)
But I'm holding it in my back pocket for April Fool's Day, along with a couple of other irritants for BF. (heatcagekitchen.com)
The response is the scratch, to get the bug or other irritant off of the skin. (sciencenews.org)