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Omega-3 fatty acids (omega-3s) have a carbon–carbon double bond located three carbons from the methyl end of the chain. Omega-3s, sometimes referred to as n-3s, are present in certain foods such as flaxseed and fish as well as dietary supplements such as fish oil.
Omega-3 fatty acids are polyunsaturated fats (or "healthy fats") you have to get from foods or supplements because your body doesn't make them. They're part of the support structure of...
The three main omega-3 fatty acids are alpha-linolenic acid (ALA), eicosapentaenoic acid (EPA), and docosahexaenoic acid (DHA). ALA is found mainly in plant oils such as flaxseed, soybean , and canola oils.
This fact sheet provides basic information about omega -3s—with a focus on dietary supplements, summarizes scientific research on effectiveness and safety, and suggests sources for additional information.
omega-3 fatty acids and their effects on human health. This fact sheet covers the current state of the science on these important compounds, as well as dietary recommendations and food sources of omega-3 fatty acids. FIGURE 1: Chemical Structure of Alpha-linolenic acid (ALA), a Type of Omega-3 Fatty Acid
There are two main types of omega-3 fats that have essential roles in human health: EPA and DHA: Eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) come mainly from cold-water fish, so they are sometimes called marine omega-3s. Salmon, mackerel, tuna, herring, and sardines contain high amounts of EPA/DHA.
Omega-3 fatty acids are a group of fatty acids important for human health. There are three main types of omega-3 fatty acids: eicosapentaenoic acid (EPA), docosahexaenoic acid (DHA), and alpha linolenic acid (ALA), which is converted in our bodies to EPA or DHA after consumption.