Effect of tart cherry juice (Prunus cerasus) on melatonin levels and enhanced sleep quality

@article{Howatson2011EffectOT,
  title={Effect of tart cherry juice (Prunus cerasus) on melatonin levels and enhanced sleep quality},
  author={Glyn Howatson and Phillip G. Bell and Jamie Tallent and Benita Middleton and Malachy P. McHugh and Jason G. Ellis},
  journal={European Journal of Nutrition},
  year={2011},
  volume={51},
  pages={909-916}
}
BackgroundTart Montmorency cherries have been reported to contain high levels of phytochemicals including melatonin, a molecule critical in regulating the sleep-wake cycle in humans.PurposeThe aim of our investigation was to ascertain whether ingestion of a tart cherry juice concentrate would increase the urinary melatonin levels in healthy adults and improve sleep quality.MethodsIn a randomised, double-blind, placebo-controlled, crossover design, 20 volunteers consumed either a placebo or tart… 
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TLDR
The implication of the current findings is that consuming cherries could be an important source of dietary melatonin inasmuch as melatonin is readily absorbed when taken orally.
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TLDR
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