Investigating the Effects of a Haskap Berry Supplement on Cognitive Health

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

RECRUITING

Clinical Phase

NA

Total Enrollment

90 participants

Study Classification

INTERVENTIONAL

Study Start Date

2025-06-19

Study Completion Date

2026-04-30

Brief Summary

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This study aims to investigate the postprandial (2h) and longer term (4 week) effects of a haskap berry supplement on cognitive, vascular, and metabolic function in healthy ageing adults aged 50+.

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Detailed Description

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This project aims to investigate the acute benefits (during the immediate post prandial period up to 2 hours) and chronic benefits (following 4 weeks daily supplementation) of a vitamin- and mineral-enhanced haskap berry supplement made from freeze-dried, powdered haskap berries. The main objective of this study is to trial the product in older adults aged 50+ to determine any cognitive, metabolic, or cardiovascular benefits over and above haskap powder alone or a placebo powder. The study will involve a screening visit and two testing visits, 4 weeks apart. For the 24 hours prior to each test visit, participants are asked to follow a low polyphenol diet. They are requested not to consume any food or drinks except water after 8.30pm, and on the morning of test visits to only consume one slice of buttered white toast and a glass of water prior to attending the visit. During the testing visits, cognitive and mood battery tests (to include measures of memory, executive functions, and stress, will be taken at baseline, at 2 hours following the consumption of the supplement as part of a meal, and again at 4 weeks following daily consumption of the supplement added to their usual diet. Blood glucose finger pricks will be recorded at each time point along with FMD (a measure of vascular reactivity).

Conditions

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Cognition

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Participants will be allocated to receive either a vitamin- and mineral-enhanced haskap berry powdered supplement, pure haskap berry powder, or a calorie matched placebo powder

Primary Study Purpose

TREATMENT

Blinding Strategy

TRIPLE

Participants Investigators Outcome Assessors

Study Groups

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Placebo

30 participants to receive daily 6g servings of a calorie-matched powder, artificially coloured and flavoured to resemble berry powder

Group Type PLACEBO_COMPARATOR