Ask the Nutritionist: Dr. Getty's Forum for Equine Nutrition
Welcome to my forum.
Here you will find more than 6 years of questions and my answers. It is searchable and offers a great deal of information.
Currently, I am discontinuing new questions. This may change in the future, but in the meantime, please know that It has been a true pleasure serving you.
Take a look at my Nutrition Library and Tips of the Month for a variety of answers on selected topics. Be sure to sign up for my monthly e-newsletter, Forage for Thought.
I also have a growing number of recordings on "Teleseminars on Nutrition Topics that Concern You" as well as the new, Spotlight on Equine Nutrition Series -- printed versions of favorite teleseminars.
And finally, look for my articles in a variety of local publications and online newsletters, as well as the Horse Journal, where I am the Contributing Nutrition Editor.
All the best,
Dr. Getty
Hi Christy,
Beet pulp is an excellent choice for an overweight horse because it does not raise blood insulin levels. You only want to feed a small amount, simply to act as a carrier for her supplements.
You could go with a commercial feed such as Purina Wellsolve, but it's not necessary. You're not feeding it according to directions for added calories, just as a supplement carrier, so why pay for the fortification of other vitamins and minerals? You're already feeding Reitsport HA-100 Complete, so beet pulp is the answer.
Glad you're no longer feeding 100% alfalfa. 
Dr. Getty
Where are you from? Bayfield, CO