Robert Lustig, MD: Fructose—The Mitochondrial Toxin That Fuels Fat, Disease & Metabolic Chaos!
10 Mar 2025 · 1 min

0:50
Robert Lustig explains UCSF research showing fructose acts as a mitochondrial toxin. When glucose enters the liver, it's stored as glycogen, which is non-toxic. But fructose metabolism creates excess energy that deposits as fat, fueling disease and metabolic dysfunction.
Questions this video answers
Gary Taubes, 'Is sugar toxic?', 2011 (New York Times Magazine).
'The Toxic Truth About Sugar' (Nature comment).
They found that sugar was a mitochondrial toxin.
Virtually almost all of it is stored as glycogen; excess energy is deposited as glycogen.










