Take a walk down the drugstore vitamin aisle, and you'll see one word over and over: omega-3s. Omega-3s are a type of polyunsaturated fatty acid that play an essential role in heart and brain health.

While salmon is a well-known source of omega-3s, other foods like chia seeds, flaxseeds, and walnuts actually offer higher amounts—though mostly in the plant-based ALA form. To help your body better ...

Some nuts and seeds contain plant-based omega-3 fatty acids called alpha-linolenic acid (ALA).The body cannot use ALA directly; it needs to convert it into EPA (eicosapentaenoic acid) and DHA ...

Tuna is a good source of omega-3 fatty acids, but foods like salmon, caviar, and walnuts provide similar or even higher amounts per serving.

Caitlin Beale, MS, RDN, is a registered dietitian and freelance health writer specializing in women’s health, gut health, and integrative nutrition. Flaxseeds are high in ALA omega-3s, but several ...