I am using to for my digestive system as I seem to suffering from a few food intolerances such as wheat. I am also using it to stregthen my immune system which take a pummelling from endurance training and events. Especially if I do events close together. Ultimately the 5 marathons in 5 days will have an adverse affect on my body during that week!
I am using the 1000mg high strength Aloe Vera from here, as I get my cortaflex from them.