Both inulin and psyllium are forms of soluble fiber that have gut health benefits. Inulin is a fermentable fiber found in foods and supplements, and psyllium is a non-fermented fiber supplement.

A study has identified a potential new treatment for food allergies in inulin, a naturally occurring plant fiber commonly used as a supplement, a prebiotic in soda, a replacement for sweeteners and ...

Here's what the researchers found.