What happens if you drink a liter of soy sauce (spoiler: nothing good)

In this chilling video, YouTuber oncologist Chubbyemu tells the story of a woman who colon-cleansed by drinking a liter of soy sauce—which would be about 200g of sodium on top of whatever other crap is in there, five times the lethal dose. The internet has long been a place to go for bad advice, but now more of it is malicious and no-one can tell. Things did not go well for her.