Reduce chronic inflammation (linked to arthritis, diabetes, cancer)
Support eye health (DHA is a major component of the retina)
May improve sleep quality
🐟 Top Choices (Low Mercury, High Omega-3s)
Fish
Omega-3s per 3 oz
Notes
Mackerel (Atlantic)
1,000–2,000 mg
Highest natural source
Salmon (wild-caught)
1,200–1,800 mg
Widely available
Sardines
1,000–1,400 mg
Budget-friendly, canned = fine
Herring
1,000–1,500 mg
Common in European diets
Trout (farmed)
800–1,000 mg
Mild flavor, easy to cook
✅ Canned counts! Sardines, salmon, and mackerel in water or olive oil retain omega-3s.
🌱 For Plant-Based Diets
Flaxseeds, chia seeds, walnuts, and algae oil provide ALA omega-3s, but the body converts ALA to EPA/DHA inefficiently (<10%). Algae-based supplements are the best vegan source of direct DHA/EPA.
⚠️ A Note on Mercury
Avoid high-mercury fish: shark, swordfish, king mackerel, tilefish.
Safe for most: salmon, sardines, trout, herring—even during pregnancy (in moderation).
❤️ How to Enjoy It
Bake: Salmon with lemon & dill (12–15 mins at 400°F)
Pan-sear: Sardines on toast with avocado
Add to salads: Canned mackerel or salmon
Grill: Trout stuffed with herbs
The Bottom Line
Experts don’t just like fatty fish—they prescribe it as preventive medicine. As Dr. Frank Sacks (Harvard School of Public Health) puts it:
“No supplement matches the benefits of eating whole fish.”
So aim for two 3–4 oz servings per week. Your heart, brain, and future self will thank you. 🐟💙
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