I have Crohn's and as a result had periods in my life where I was on a liquid diet of something called Modulen for weeks and months at a time. http://www.nestlehealthscience.com/products/modulen_ibd A similar, more familiar product: http://en.wikipedia.org/wiki/Ensure Pretty terrible experience. I had to drink close to a dozen cups of the stuff a day and it didn't go down easy. The stuff worked however and I went bac…
Just speculating here, but the limiting factor for Nestle might be to get the same stuff that he is using into a product that you can deliver as a ready-made "just add water" mixture. He specifically wrote that he has to make it fresh every day, so that could be the difference.