Using complex genetic data analysis and testing, scientists have shown for the first time that allantoin, which is found in botanical extracts of the comfrey plant and is an ingredient of many anti-ageing creams, can mimic the effect of calorie restriction and increase lifespan in worms by more than 20 percent.

Calorie restriction - a reduction in calorie intake without malnutrition, has been found to slow down the ageing process in several animal models from worms to mammals, and developing drugs that can reproduce this effect, without the side effects, could have widespread human applications.

To identify potential calorie restriction mimetic compounds, the team made use of existing molecular signatures from human cells and treated with a variety of small-molecule drugs.

The study was published in the journal Aging Cell.

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