Taking a small amount of fish oil every day for three years doesn't seem to make older adults who don't exercise any stronger.

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The Role of Omega-3 Polyunsaturated Fatty Acids on Sarcopenia and Aging Muscle

Narrative Review

Human

2026 Mar 11

The study says omega-3s can help older adults stay stronger—but only if they take more than 2 grams a day and exercise. The claim says low doses don’t help, but this study says that’s because the dose was too low, not because omega-3s don’t work.

Gold Standard Evidence Needed

According to GRADE and EBM methodology, here is what ideal scientific evidence would look like to definitively prove or disprove this specific claim, ordered from strongest to weakest evidence.

Source Study

The Role of Omega-3 Polyunsaturated Fatty Acids on Sarcopenia and Aging Muscle

Score: 2

DOI: 10.3390/ijerph23030355

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