What the Heck Is low starch senior feed UAE?

https://www.thenassauguardian.com/online_features/press_releases/in-the-home-of-endurance-racing-bifid-brings-grain-free-gut-first-feed-to-the/article_2a2146fd-89a0-50e7-a855-633039bad5aa.html

Liquid horse feed supplements promote hydration, digestive health, and daily nutrient balance for performance horses and pasture horses alike