Do You Actually Need a Fish Oil Supplement?

Omega-3s are great — the pills are a more mixed story.

Fish oil is one of the best-selling supplements around. Whether you need it depends mostly on what's already on your plate.

Food first

The omega-3s in fish oil (EPA and DHA) genuinely support heart and brain health. But if you already eat fatty fish (salmon, sardines, mackerel) a couple of times a week, you're likely getting enough — and whole fish comes with protein and other nutrients a capsule doesn't.

Quality varies

For people who rarely eat fish, a supplement can help fill the gap. Just know that fish oil can oxidize (go rancid), so freshness and a reputable brand matter, and megadoses aren't better.

The move

Aim to get omega-3s from fish first. If you don't eat much, a modest, fresh fish oil (or algae oil for plant-based diets) is a reasonable fill-in — no need for giant doses.

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