Taking omega-3 supplements might help lower inflammation in older people, especially if they also exercise, which could help them keep their muscles stronger as they age.

Taking omega-3 supplements may help lower inflammation in your body, which you can see through blood tests that measure markers like CRP and IL-6.

For older people, taking omega-3 fish oil pills along with regular exercise may slightly lower a body chemical called IL-6 that's linked to inflammation as we age — but it’s a very small change, and we don’t know if it really matters for health.

Taking omega-3 fatty acids might help reduce harmful stress in muscle cells, especially as we age or if we're sick, and this could help muscles stay stronger and work better — but this has only been seen in animal or lab studies so far.

Taking omega-3 supplements for three years may help lower certain biological markers in the blood that are tied to aging and death risk, like those related to inflammation and tissue repair, by a small but measurable amount.

Taking omega-3 supplements might help prevent muscle loss when you're stuck in bed or not moving much, like after an injury, by keeping your muscles from breaking down too fast.