My mom has our horses on a mix of the grain they came with (from the adoption agency, looks pretty sugary/sweet) and safe choice. Her old gelding (almost 30) is on Safe Choice only (and hay).
Our horses are both arabians, one is 23 and one is 16. Both are overweight IMO!
Is Neutrena's Safe Choice a good food?
I admit I am a little clueless about what to feed horses.
I know dogs though ;)
The hay is great, not worried about that.