Omega-3 fatty acids and human skeletal muscle.
Level 5 - mechanism / opinion, no new human data
Narrative review summarizing mechanistic and experimental literature without systematic methodology.
PubMed 33332930 · doi:10.1097/MCO.0000000000000723
What was done
This narrative review examined recent findings regarding the influence of omega-3 fatty acid supplementation on skeletal muscle anabolism, with a specific focus on situations of skeletal muscle disuse and underlying cellular mechanisms.
What was found
The abstract reports no numerical data or effect sizes. Qualitatively, it reports that omega-3 supplementation during muscle disuse increases muscle membrane omega-3 composition, heightens muscle protein synthesis rates, and protects against skeletal muscle mass loss, potentially mediated by changes in mitochondrial bioenergetics.
Why it matters
Omega-3 supplementation represents a potential nutritional countermeasure to preserve muscle mass and anabolic signaling during periods of immobilization or physical disuse.
Limits
This is a narrative review presenting no quantitative data, search methodology, or sample size in the abstract. The authors note that appropriately powered randomized controlled trials across diverse populations are still needed before firm conclusions can be made.
Cited by
- supports Research by Chris McGlory shows that omega-3 fatty acids attenuate disuse muscle atrophy by stimulating muscle protein synthesis and sensitizing skeletal muscle to amino acids.