(Science Daily) A well-known Eastern medicine supplement may help avoid the most common cause of liver transplantation, according to a study by researchers… The finding came as a surprise to the scientists, who used a number of advanced genetic and genomic techniques in mice to identify a molecular pathway that counters acetaminophen toxicity, which leads to liver failure.

"I didn't know anything about the substance that was necessary for the pathway's function, so I had to look it up," said Gary Peltz, MD, PhD, professor of anesthesiology. "My postdoctoral fellow, whose parents and other family members in Asia were taking this compound in their supplements, started laughing. He recognized it immediately."

The molecule was S-methylmethionine, which had been marketed as an herbal medicine known as Vitamin U for treatment of the digestive system. It is highly abundant in many plants, including cabbage and wheat, and is routinely ingested by people.

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