Tryptophan-enriched cereal intake improves nocturnal sleep, melatonin, serotonin, and total antioxidant capacity levels and mood in elderly humans.
Age (Dordr). 2013 Aug;35(4):1277-85. doi: 10.1007/s11357-012-9419-5. Epub 2012 May 24.
Age (Dordr). 2013.
PMID: 22622709
Free PMC article.