Evaluating the Effects of Nutritional Interventions on Sleep, the Gut Microbiome, Cognition, and Stress.

This will be a double-blind, placebo-controlled, parallel-group trial. Participants who are poor sleepers will be randomised to receive one of two investigational supplements, or a placebo control supplement, over a 28-day period. At baseline and following 28 days of consumption, sleep quality, gut microbiome profiles, cognitive performance, and mood will be assessed. Sleep outcome measures will also be assessed throughout the supplementation period to monitor the time course of any observed changes. A final data set of at least 66 participants is expected.

NCT Number	NCT07369869
Lead Sponsor	Northumbria University
Conditions	Stress, Sleep, Cognition, Nutrition, Microbiome
Enrollment	68 participants
Start Date	2026-05
Primary Completion	2026-12 (estimated)
Study Completion	2026-12 (estimated)
Updated on ClinicalTrials.gov	2026-03-03