"When liver function is compromised, the exact cause can often be difficult to determine. Support of the liver, regardless of the cause, is essential if function is to be improved. Denosyl has been shown to markedly increase glutathione levels in the liver of dogs and cats. Denosyl activity goes far beyond just increasing glutathione levels. It has been shown to protect liver cells from cell death and may be useful in cell repair and healing. Denosyl contains a stable salt of S-Adenosylmethionine."