What the Heck Is Additional resources?

https://www.kulr8.com/online_features/press_releases/in-the-home-of-endurance-racing-bifid-brings-grain-free-gut-first-feed-to-the/article_678ae67f-b167-57fb-9517-19a02401d603.html

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