What the Heck Is insulin resistance horse feed?

http://business.times-online.com/times-online/markets/article/abnewswire-2026-7-24-with-half-of-britains-horses-overweight-bifid-launches-grain-free-low-sugar-feed-for-the-nations-good-doers/

Gentle horse feed for sensitive stomachs, designed to support comfortable digestion, hindgut health and easy nutrient absorption. A reduced-starch high-fibre formula with natural components to help maintain calm digestion and overall wellbeing.