Robert Lustig: Glucose is beneficial, but fructose is a mitochondrial toxin #mitochondrialfunction .
Short monologue (YouTube video) by Dr. Ron Najafi quoting/commenting on Robert Lustig’s view: contrasts metabolic effects of glucose versus fructose. Claims in this chunk: glucose stimulates mitochondrial energy production and is framed as beneficial; fructose (same formula but different stereochemistry) is absorbed into liver via GLUT5 (not GLUT2), routed to mitochondria where it can overwhelm them, leading to excess being converted to fat by hepatic de novo lipogenesis (DNL).
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