From ocean to emotion: A pilot study exploring acute mood effects following consumption of a DHA-rich powder compared to placebo in middle-aged Australian men

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Reddan, Jeffery M., Gauci, Sarah, Young, Lauren M., Kennedy, Greg, Rowsell, Renee, Minihane, Anne-Marie ORCID: https://orcid.org/0000-0001-9042-4226, Scholey, Andrew and Pipingas, Andrew (2024) From ocean to emotion: A pilot study exploring acute mood effects following consumption of a DHA-rich powder compared to placebo in middle-aged Australian men. British Journal of Nutrition. ISSN 0007-1145

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Abstract

While there is evidence that long-chain n-3 PUFA supplementation benefits mood, the extent to which a single high dose of n-3 PUFA can induce acute mood effects has not been examined. The present study investigated whether a single dose of a DHA-rich powder affects self-reported mood in middle-aged males during elevated cognitive demand. In a randomised, double-blind, placebo-controlled trial with a balanced crossover design, twenty-nine healthy males (age M = 52.8 years, SD = 5.3) were administered a powder (in a meal) containing 4·74 g n-3 PUFA (DHA 4020 mg; EPA 720 mg) or placebo in random order on two different testing days separated by a washout period of 7 ± 3 d. Participants completed mood assessments before and after completing two cognitive test batteries at baseline and again 3·5–4·0 h following the consumption of the active treatment or placebo. While completion of the cognitive test batteries increased negative mood, differential effects for alertness (P = 0·008) and stress (P = 0·04) followed consumption of the DHA-rich powder compared with placebo. Although alertness declined when completing the cognitive batteries, it was higher following consumption of the DHA-rich powder compared with placebo (P = 0·006). Conversely, stress was lower following consumption of the DHA-rich powder relative to placebo, though this difference only approached significance (P = 0·05). Overall, results from this pilot study demonstrate that a single high dose of n-3 PUFA may deliver acute mood benefits following elevated cognitive demand in healthy middle-aged males.

Item Type: Article
Additional Information: Funding information: The study was sponsored by Nu-Mega Ingredients Limited, but they did not have any role in the data analysis or interpretation of results.
Uncontrolled Keywords: acute,alertness,dha,middle-aged,mood,n-3 pufa,nootropic,nutrition and dietetics,medicine (miscellaneous),sdg 3 - good health and well-being ,/dk/atira/pure/subjectarea/asjc/2900/2916
Faculty \ School: Faculty of Medicine and Health Sciences > Norwich Medical School
UEA Research Groups: Faculty of Medicine and Health Sciences > Research Centres > Norwich Institute for Healthy Aging
Faculty of Medicine and Health Sciences > Research Centres > Lifespan Health
Faculty of Medicine and Health Sciences > Research Groups > Cardiovascular and Metabolic Health
Faculty of Medicine and Health Sciences > Research Groups > Nutrition and Preventive Medicine
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Depositing User: LivePure Connector
Date Deposited: 05 Dec 2024 01:30
Last Modified: 09 Jan 2025 01:01
URI: https://ueaeprints.uea.ac.uk/id/eprint/97897
DOI: 10.1017/S0007114524002204

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