Mitochondrial control of fuel switching via carnitine biosynthesis Science New insights into T cell metabolism in liver cancer: from mechanism to therapy Cell Death Discovery There's a molecule your gut quietly produces every time you eat red meat, eggs, or dairy, and most doctors never test for it. It's called TMAO. And it's been linked to a Comparison of short term and long term effects of peroral L carnitine intake: clinical implications of elevated TMAO levels in cardiovascular complications