Taubes et al has a rough time reconciling the idea that fructose is toxic with the (established) fact that the brain produces its own!
From that article, it’s clear their funded study didn’t back up their priors and they ultimately cut funding and discredited the research.
From the link:
"If this was an animal study, they’d have thrown them out,” he says. “Euthanized them and started over.”
Top of my head:
* Carbon dioxide - albeit just to get rid of, but it does make it :D
* Hydrochloric acid
* Hydrogen peroxide
* Ammonia
* Formaldehyde
Then of course the human body creates pyrogens to fight off illness, even if they literally cook your sugar creating brain :D