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

University of Reading

Status: Enrolling

Conditions: Mood; Affect; Executive Function

Treatments: Dietary Supplement: Placebo drink; Dietary Supplement: Blueberry drink

Study type: Interventional

Funder types: Other

Identifiers

NCT05717452

2022-140-RC

Details and patient eligibility

About

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.

Full 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.

Enrollment: 80 estimated patients

Sex: All

Ages: 18 to 25 years old

Volunteers: Accepts Healthy Volunteers

Inclusion criteria

• 18 to 25 years of age

Exclusion criteria

• Any medically significant condition or mental health disorder (e.g. diabetes, endocrine or gastrointestinal disorders)
• Taking medication (excluding hormonal contraception or medication for asthma/seasonal allergies)
• Allergy to blueberries or any other Vaccinium species

Trial design

Primary purpose: Prevention

Allocation: Randomized

Interventional model: Parallel Assignment

Masking: Double Blind

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80 participants in 2 patient groups, including a placebo group

Blueberry drink

Experimental group

Treatment:

Dietary Supplement: Blueberry drink

Placebo drink

Placebo Comparator group

Treatment:

Dietary Supplement: Placebo drink