Omega-3s are important parts of the cellular tissues and membranes thus help normal heart, lungs, immune and brain function and hormone system.
The amount of Omega-3 a person needs depends on their age, sex, and health status. If a person does not eat fish on a regular basis, then taking an Omega-3 supplement might be a good idea.
Fatty fish, nuts, and seeds are rich in omega-3s. Fatty fish are high in DHA and EPA. Plant sources are high in ALA.
There are three types of omega-3 fatty acid:
- docosahexaenoic acid (DHA)
- eicosapentaenoic acid (EPA)
- alpha-linolenic acid (ALA)