What the Heck Is trusted horse feed suppliers UK?

http://news.worldsharemarketlive.com/story/559710/with-half-of-britains-horses-overweight-bifid-launches-grainfree-lowsugar-feed-for-the-nations-gooddoers.html

Gentle horse feed for sensitive stomachs, designed to support gut comfort, hindgut health and better nutrient absorption. A low-starch fiber-rich formula with natural ingredients to help maintain settled digestion and overall wellbeing.