What the Heck Is digestible fibre laminitis feed?

https://horse-feed-products620.readspirex.com/posts/what-horse-feed-helps-horses-gain-weight-safely

Gentle horse feed for sensitive stomachs, designed to support gut comfort, hind gut health and better nutrient absorption. A reduced-starch fiber-rich formula with naturally sourced ingredients to help maintain steady digestion and overall wellbeing.