Fatty Liver Myths Busted: Harvard-Trained Doctor Explains the Truth Behind 3 Common Misconceptions
- bySagar
- 09 Sep, 2025
Fatty liver disease is becoming alarmingly common worldwide, affecting millions of people every year. Despite its prevalence, myths and half-truths surrounding the condition continue to confuse people. To bring clarity, Dr. Saurabh Sethi, a Harvard- and Stanford-trained gastroenterologist, recently addressed three of the most common misconceptions about fatty liver and explained what people should really focus on.
Myth 1: Fatty Liver Happens Only Because of Eating Fatty Foods
Many people believe that consuming oily or fatty foods directly causes fatty liver. According to Dr. Sethi, this is a misconception. The real culprit is excessive intake of sugary foods, especially those high in fructose, combined with the use of unhealthy oils.
Healthy fats, on the other hand, can actually benefit the liver. Foods such as olive oil, avocados, and nuts provide good fats that support liver function. Instead of avoiding fat altogether, Dr. Sethi recommends reducing sugar consumption and cutting out processed oils. A balanced diet with the right kinds of fat is essential for a healthy liver.
Myth 2: Fatty Liver Is a Minor Health Issue
Another dangerous misconception is that fatty liver is harmless and does not require medical attention. Dr. Sethi warns that this belief is completely wrong. Fatty liver often shows no symptoms in the early stages, which makes it even more dangerous.
If more than 5% of the liver’s weight is made up of fat, it can trigger inflammation and scarring. Left untreated, this condition can progress to liver cirrhosis or even liver failure. What makes it more concerning is that by the time symptoms appear, significant damage has already been done. This is why early detection, regular health checks, and lifestyle management are crucial.
Myth 3: Supplements Alone Can Cure Fatty Liver
With the growing popularity of dietary supplements, many people assume that pills and powders alone can reverse fatty liver. However, Dr. Sethi clarifies that supplements are not a standalone solution.
While certain supplements like milk thistle, omega-3 fatty acids, and vitamin E may support liver health, they can only play a supportive role. The real treatment lies in adopting a healthy diet, regular exercise, and weight management. Supplements should always be taken under medical supervision because of potential side effects.
Preventing Fatty Liver: Practical Lifestyle Tips
Dr. Sethi highlights that fatty liver can often be prevented and even reversed with a few simple lifestyle changes:
-
Eat a balanced diet: Include fruits, vegetables, whole grains, and lean proteins. Use healthy fats like olive oil, nuts, and fatty fish.
-
Exercise regularly: Aim for at least 30 minutes of walking, cycling, or swimming daily.
-
Maintain a healthy weight: Even a 3–5% reduction in body weight can significantly reduce liver fat.
-
Regular health check-ups: If you are overweight, diabetic, or have high cholesterol, monitor your liver health through routine medical tests.
Key Takeaway
Fatty liver is not caused by fat alone, is far from a minor issue, and cannot be cured solely with supplements. A combination of diet, exercise, weight control, and timely medical guidance is the most effective way to manage and prevent the condition.
As Dr. Sethi emphasizes, awareness is the first step toward prevention. Understanding the truth behind common myths can help people make better lifestyle choices and protect their liver health before it’s too late.





