NCT05717452

Effects of a Single Dose of Wild Blueberries on Mood and Executive Function in Healthy Emerging Adults

Effects of a Single Dose of Wild Blueberries on Mood and Executive Function in Healthy Emerging Adults: a Single-Blind, Randomized Controlled Trial

• Status: Unknown
• Phase: N/A
• Study type: Interventional
• Enrollment: 80 (estimated)
• Sponsor: University of Reading · Academic / Other
• Sex: All
• Age: 18 Years – 25 Years
• Healthy volunteers: Accepted

Summary

This study aims to investigate whether consuming a drink containing powdered blueberries (equivalent to 150 g of fresh fruit) can improve mood and executive function in healthy emerging adults.

Detailed description

The present study will examine the psychological effects of a single dose of freeze-dried wild blueberries using a randomized, single-blind, placebo-controlled design. A total of 80 participants will be randomly allocated to consume either a drink prepared with 22 g blueberry powder or a drink prepared with 22 g placebo powder matched for macronutrients, flavour and colour.

Conditions

• Mood
• Affect
• Executive Function

Interventions

Type	Name	Description
DIETARY_SUPPLEMENT	Blueberry drink	22 g freeze-dried wild blueberry (Vaccinium angustifolium) powder mixed with 250 ml water.
DIETARY_SUPPLEMENT	Placebo drink	22 g placebo powder matched for macronutrients, color, and flavor mixed with 250 ml water.

Timeline

• Start date: 2023-02-01
• Primary completion: 2023-04-30
• Completion: 2023-04-30
• First posted: 2023-02-08
• Last updated: 2023-02-13

Locations

1 site across 1 country: United Kingdom