What omega-3 does in the body, the best fish and plant sources, how much a typical serve provides, how that compares with reference values, and how to read omega-3 food labels.
Cod liver oil carries vitamin A and D as well as omega-3. Compare label amounts with upper limits and see who should check with a professional first.
Fish, krill and algae oil compared: where each comes from, what the absorption research found, purity, sustainability, allergies, cost per gram and who each suits.