Just go home from a visit with my GI person. She said the diet is called the Elemental Diet. This is what google says about it,If it's not too much trouble, please post what it is when you finally get it. As I said, I'm mighty curious.
An elemental diet for SIBO (Small Intestinal Bacterial Overgrowth) involves replacing all food with a specially formulated liquid diet of pre-digested nutrients (amino acids, simple sugars, fats, vitamins, minerals) for 14-21 days, effectively starving the bacteria while providing complete nutrition, resting the gut, and achieving high eradication rates (80-84% in studies) for SIBO and its symptoms like bloating and gas, usually under a practitioner's supervision.
Here's just one product that popped up when I googled "SIBO Elemental Diet".
Elemental Heal
Elemental Heal acts as a fast and powerful gut “reset”, supporting a healthy inflammatory response and balancing intestinal bacteria & fungus levels.