The liver is your metabolic command center — processing nutrients, regulating blood sugar, and managing fat storage. It is the primary site of fructose metabolism, extracting 50-70% of it on first pass. Research by Stanhope showed that fructose-sweetened beverages increased visceral fat while glucose-sweetened ones did not. When you consume fructose (from sugar, HFCS, or juice), the liver converts it to fat through de novo lipogenesis — a pathway fructose enters readily, because it bypasses the regulatory checkpoint that governs glucose. Excess fructose can overwhelm the liver, contributing to fatty liver disease and insulin resistance.
This companion covers the liver’s metabolic role, the fructose problem, why this drives NAFLD, the alcohol parallel, fructose sources, and practical implications for liver health. (5 min read)
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