What the Heck Is nutritional horse feed?

https://horse-feed-shop851.trexgame.net/what-horse-feed-should-i-use-if-my-horse-stays-out

Gentle horse feed for sensitive stomachs, designed to support digestive comfort, hindgut health and better nutrient absorption. A low sugar fiber-rich formula with natural ingredients to help maintain calm digestion and general wellbeing.