Weird question about feed supplements
I have a 13 year paint gelding who is a phenomenal horse but needs a little boost of energy now and then. If I could hook up NOS to him I would. JK. We use him on our ranch to gather, sort, and doctor cattle and trail ride. My 6 year old daughter rides him in gymkhana and I use him for drill team. My issue with him is when I use him for drill team, towards the last few runs he starts to drag. This is when I am looking to give him some energy. He is fed grass hay AM and PM and then is out to pasture all day when not being worked. He doesn't get any other feed and that is where this thread comes in to play. I don't want to feed him alfalfa as all of our horses are fed together and the other two will get hot on alfalfa. What kinds of pelleted or grain feeds or supplements that are efficient, would give a horse energy? We use him 2-4 times a week for all the various things we do with him but sometimes we do ride him more than that depending on the time of year. He is one of those horses anyone can ride even if he has been sitting for a month. Just a great, great horse. He is not my normal drill horse as my drill horse got injured out in pasture and is on the road to recovery so I only need a temporary feed.