The avocado fruit may help hepatitis C sufferers, new research suggests. Compounds in avocados appear to lessen the liver damage caused by hepatitis C. Researchers at Shizuoka University, in central Japan, simulated the liver damage caused by hepatitis C in laboratory rats. Of 22 different fruits fed to the animals, avocados had the greatest beneficial effect, the BBC News reports. Researchers at Shizuoka University, in central Japan, simulated the liver damage caused by hepatitis C in laboratory rats. Of 22 different fruits fed to the animals, avocados had the greatest beneficial effect, the BBC News reports. Avocados are one of the richest sources of vitamin E and they also provide vitamin C, fibre, potassium and folate. The fruit hasn't yet been tested in people with hepatitis, although studies are due to occur.