Review finds pistachios may support sleep but evidence remains inconclusive
A narrative review published in Nutrition Research Reviews suggests pistachios might aid sleep health, though researchers call for more human trials.
Nutrients linked to rest
The study notes that pistachios contain tryptophan, vitamin B6, magnesium, melatonin, fiber, and polyphenols. These compounds are associated with sleep-related biological processes in the body. Researchers say these ingredients could influence how well a person sleeps.
Study author comments
Marie-Pierre St-Onge from Columbia University described pistachios as compelling for sleep research. She explained that one whole food brings together several nutrients connected to sleep physiology. The team believes these specific compounds warrant further investigation.
Need for more trials
Current findings do not establish that eating pistachios directly improves sleep quality. The review states that additional human clinical trials are required before recommendations can be made. Scientists emphasize that existing data is insufficient to confirm benefits.
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