Pulse Brain · Growing Health Evidence Index
Tier 2 — RCT, large cohort or strong causal designPeer-reviewed

The impact of omega-3 polyunsaturated fatty acid supplementation on the cardiovascular response to low-intensity exercise, hypoxia and heat exposure: a randomized controlled trial

D. Brennan; S. Cottin; J. Babraj

Proceedings of the Nutrition Society · 2023

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Summary

This randomised controlled trial investigated whether omega-3 polyunsaturated fatty acid supplementation modifies cardiovascular regulation when individuals are exposed to multiple simultaneous stressors—low-intensity exercise combined with hypoxia and heat. The RCT design permits causal inference regarding omega-3 effects on cardiovascular function under combined environmental and metabolic stress. The abstract does not provide sufficient detail on specific cardiovascular outcomes, sample size, supplementation dose, or direction of effects.

Regional applicability

The geography of the study is not specified in the available metadata. Transferability to United Kingdom populations would depend on the study's participant demographics, baseline cardiovascular health status, and supplementation protocol, which are not detailed in the abstract.

Key measures

Cardiovascular response metrics (specific measures not detailed in abstract)

Outcomes reported

The study examined cardiovascular regulation during combined acute physiological stressors including low-intensity exercise, hypoxia, and heat exposure following omega-3 PUFA supplementation. Specific cardiovascular outcomes and effect directions are not detailed in the available abstract.

Theme
Nutrition & health
Subject
Dietary fats & fatty acids
Study type
Research
Study design
RCT
Source type
Peer-reviewed study
Status
Published
System type
Human clinical
DOI
10.1017/s002966512300472x
Catalogue ID
NRmu5077j1-002

Topic tags

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