What the Heck Is low glycemic feed UAE?

https://www.omahastarnewspaper.com/online_features/press_releases/in-the-home-of-endurance-racing-bifid-brings-grain-free-gut-first-feed-to-the/article_2a82e542-d4c7-5ccc-9314-6d364de07404.html

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