What the Heck Is Learn here?

https://www.an17.com/online_features/press_releases/in-the-home-of-endurance-racing-bifid-brings-grain-free-gut-first-feed-to-the/article_9df38167-b7d1-5ce4-a96c-a52ce650da1e.html

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