“Liquid Poison”: Harvard Doc on the #1 Drink to Ditch for Liver Health

A Harvard-trained gastroenterologist has a stark name for a common beverage category: “liquid poison.” This is his term for sugary drinks, which he identifies as the number one thing to ditch for liver health, alongside two other major dietary culprits.
The primary focus is on sugary beverages. The doctor explains that sodas and fruit juices are uniquely damaging because they deliver a high concentration of fructose directly to the liver. This overload triggers a process called de novo lipogenesis, where the liver creates new fat. This is the direct cause of non-alcoholic fatty liver disease (NAFLD), a growing epidemic.
While liquid sugar is the top offender, the expert also warns against deep-fried foods. These items are a major source of unhealthy trans and saturated fats, which fuel inflammation and fat accumulation in the liver. The doctor stresses that cutting out fried foods is a crucial step in reducing the overall burden on the organ.
Finally, the specialist points to the danger of ultra-processed foods. This broad category includes snacks and convenience meals that are high in a combination of unhealthy fats, added sugars, and artificial additives. These products place a heavy metabolic strain on the liver and can disrupt the gut microbiome, which is essential for liver wellness.
The message is clear: to protect your liver, start by ditching the “liquid poison.” By eliminating sugary drinks and also avoiding fried and ultra-processed foods, you can take the most effective steps toward ensuring a healthy liver.