Spending long hours sitting each day is a major risk factor for developing fatty liver disease, even for people who exercise regularly. Simply put, staying most sedentary throughout the day can cause more fat to build up in your liver, regardless of your workout routine.
When you sit for extended periods, your body processes fats and carbohydrates less efficiently. Sitting lowers the activity of an important enzyme called lipoprotein lipase, which helps break down fats in your blood. At the same time, it reduces how sensitive your muscles are to insulin. These changes mean fats stay longer in your bloodstream and are more likely to be stored in the liver.
Our bodies evolved to be active throughout the day, but modern lifestyles have shifted toward long hours of sitting — whether at desks, during commutes or while using screens. On average, adults spend 9 to 10 hours daily being sedentary, which leads to harmful effects on metabolism.
Research shows that simply breaking up sitting time with brief movement boosts your body’s metabolism in ways that protect liver health. Standing for just two minutes every 30 minutes, taking short walks, or doing simple stretches helps keep enzyme activity and insulin sensitivity at healthy levels, reducing fat buildup in the liver.
For office workers, practical solutions include using standing desks, taking frequent breaks to move around, or holding walking meetings. Even small changes like placing printers or trash bins farther away encourage natural movement during the day.
The key isn’t to avoid sitting altogether but to interrupt long sedentary stretches with activity. These small breaks have benefits beyond exercise alone, so even active people should pay attention to how much they move during the day.