crossover
2013
Tryptophan-enriched cereal intake improves nocturnal sleep, melatonin, serotonin, and total antioxidant capacity levels and mood in elderly humans
Bravo R, Matito S, Cubero J
Published in Age, Vol. 35 (4), pp. 1277-85
Key Findings
Tryptophan-enriched cereals increased sleep efficiency, actual sleep time and urinary melatonin while reducing depression and anxiety scores in older adults.
Conclusions
Dietary delivery of tryptophan improved sleep in the elderly.
Limitations
Small sample, no true placebo food.
Supplements Studied
L-Tryptophan
Amino Acid
Tryptophan-enriched cereals increased sleep efficiency and urinary melatonin while reducing anxiety and depression scores in older adults.
Melatonin
Compound
Tryptophan-enriched cereals increased sleep efficiency, actual sleep time and urinary melatonin while reducing depression and anxiety scores in older adults.
Related Health Concerns
Study Details
Year:2013
Sample Size:35
Duration:3 weeks
Quality Score:5/10
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