The study, published in the International Journal of Environmental Research and Public Health, was led by Michael Grandner, PhD, an internationally recognized expert on sleep and health and director of the Sleep and Health Research Program at the University of Arizona Health Sciences.
The research
The 30-day, double-blind, placebo-controlled, randomized study assessed 89 subjects, examining if a polyphenol botanical blend could improve sleep and/or daytime functioning. The findings suggest that DailyZz may improve sleep quality and daytime functioning in healthy individuals with occasional sleep complaints.
At the end of the study, participants who received 485 milligrams of DailyZz 30 minutes before bed every night reported improved sleep quality and reduced insomnia severity index scores compared with the control group. Additionally, DailyZz did not impair the ability to think and reason.
After 30 days, subjects who received supplementation with the polyphenol blend also showed statistical improvements in neurocognitive functioning. More specifically, they demonstrated improved concentration, executive function and risk assessment.
Speaking to NutraIngredients-USA, Kim Edwards, Global Product Manager, Kemin Human Nutrition and Health, explained that daytime function was assessed using the Joggle computerized test battery. “A total of eight Joggle neurocognitive daytime tests were administered during site visits at baseline and days 7 and 30. After 30 days of supplementation compared to placebo, healthy participants reported better next-day functioning with 5 X improved concentration, 20 msec reaction time improvement—200% faster reaction time in a concentration task, 2.5 X better judgement in a risk-taking scenario and 60% improved executive function.”
Kemin's sleep ingredient shows promise in new study - NutraIngredients-usa.com
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