Omega-3 fatty acids, found in fish and some plants, help your body calm down long-term inflammation, improve blood vessel health, and keep your cells’ energy systems running smoothly.

Omega-3s might help calm down inflammation in the body, which could make life easier for people with joint pain or autoimmune diseases.

Omega-3s, like those in fish oil, help your body make natural chemicals that shut down inflammation when it’s no longer needed—kind of like hitting the 'off' switch after a fire alarm goes off.

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.

Omega-3s, especially the types called DHA and EPA, might help with brain and heart diseases because they're important for how our nervous system works.

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.