Where is the video? I can't see it.
The main function of our large intestine is to absorb the water that is present in the insoluble food components we take in and its by-product would be the waste that is excreted from the body as faeces. The large intestine is followed by the anus and is preceded by the small intestine.
Companies usually use strategies such as testimonies, and others such as overgeneralization (over-simplification) where they say a very broad claim that may not be completely true. Or, it may specifically leave out certain details in order to convince you.