Based on the available information, it is not explicitly stated that an alcohol-free diet can fully reverse severe liver damage. However, the sources do suggest that abstaining from alcohol can contribute to the healing process of the liver.

According to the National Institute on Alcohol Abuse and Alcoholism (NIAAA), there is evidence of natural recovery in the liver and other organs after chronic alcohol use [2]. This recovery can be seen in the form of reduced inflammation, improved liver function, and decreased liver fat. However, the NIAAA notes that the rate and extent of recovery can vary greatly among individuals.

The University of Chicago Medicine states that a healthy diet can help manage and even reverse fatty liver disease, which can be caused by excessive alcohol consumption [3]. A diet low in saturated fats, refined carbohydrates, and added sugars, and high in fruits, vegetables, lean proteins, and whole grains is recommended.

It is important to note that while an alcohol-free diet can support liver healing, it may not fully reverse severe liver damage. Severe liver damage, such as cirrhosis, can lead to permanent scarring and loss of liver function. In such cases, a liver transplant may be necessary.

In conclusion, while an alcohol-free diet can contribute to the healing of the liver, it is not guaranteed to fully reverse severe liver damage. It is always recommended to consult with a healthcare professional for personalized medical advice.

Sources:

* [1] <https://www.drugpatentwatch.com/p/tradename/ALCOHOL>
* [2] <https://arcr.niaaa.nih.gov/volume/41/1/natural-recovery-liver-and-other-organs-after-chronic-alcohol-use>
* [3] <https://www.uchicagomedicine.org/forefront/gastrointestinal-articles/2021/september/fatty-liver-disease-diet>