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Mangoes

Mangoes are cherished for their sweet taste and tropical aroma, making them a popular summer fruit. However, they are high in sugars, particularly fructose, which accounts for about 15% of the fruit’s flesh, according to a 2019 study published by the U.S. National Library of Medicine. Fructose is processed by the liver into fat, and excessive intake can lead to non-alcoholic fatty liver disease (NAFLD), causing fat buildup in liver cells and increasing the risk of liver damage.

Experts recommend limiting mango consumption to one to two small mangoes per day for healthy individuals. Those with liver issues or diabetes should seek personalized advice from their healthcare provider.

Durians

Known as the “king of fruits,” durians are famous for their strong flavor and creamy texture. While they provide essential vitamins and minerals, they are also high in calories and saturated fats, which can negatively impact liver health.

The American Liver Foundation advises individuals with fatty liver disease to avoid foods high in sugar, fat, and calories, as these can worsen liver conditions. Additionally, a World Health Organization study has shown that high saturated fat intake increases the risk of insulin resistance and fatty liver. For people with fatty liver disease, excessive consumption of durian can impair the liver’s ability to process fat, leading to inflammation and further fat buildup.

Longans

Longans are rich in fructose, glucose, and sucrose, which can put strain on the liver when consumed excessively. A 2021 study published in Food Frontiers showed that excessive consumption of longan promoted the development of NAFLD by causing gut dysbiosis, inflammation, and impaired liver function.

Hawthorn berries. Photo from Pixabay

Hawthorn is often used in jams, syrups, or eaten raw for its digestive benefits, thanks to its high levels of organic acids, such as citric acid. While it supports digestion, excessive intake can lead to gastrointestinal discomfort, including nausea, diarrhea, and abdominal pain.

For individuals with liver impairments, consuming too much hawthorn may overload the liver, raising the risk of liver cell damage, according to national broadcaster Voice of Vietnam. Healthy individuals should limit their intake to around 100–150 grams per serving to maintain optimal liver health.