Putting weight on a thin horse?

try adding Fat Cat Weight Gain Supplement, i put my horse on it, when she needed to gain some weight and it worked, take her up to as much grain as she can safely handle, if you said she is UTD on everything, and she is still loosing weight then, i would have her scoped for ulcers, we had my mare scoped and she was loaded up with ulcers, if she does put her on U-Gard Pellets, it will do wonders for you. talk with your vet, i don't think they will charge you just to talk. but i don't know if you know this, but Smartpak is doing 3 day (FREE!)taste tests to see if your picky eater horse will eat the supplement, before you spend $80+ to find out she doesn't like it. hope this helps ♥