What the Heck Is weight loss horse feed?

https://horse-feed-products620.readspirex.com/posts/what-horse-feed-is-most-safe-for-laminitic-ponies

Gentle horse feed for sensitive stomachs, designed to support digestive comfort, hind gut health and easy nutrient absorption. A low-starch fibre-rich formula with natural components to help maintain calm digestion and overall health.