Omega-6 fatty acid

Omega‑6 fatty acids are a family of polyunsaturated fatty acids characterized by the presence of the first double bond at the sixth carbon from the methyl end of the molecule[1][4][3]. The most common dietary form is linoleic acid, found in vegetable oils such as corn, soybean, safflower, and sunflower oil. Other important members include arachidonic acid and gamma-linolenic acid. Omega‑6s are essential nutrients required for normal cellular function and must be obtained from the diet. Biologically, they serve as structural components in cell membranes—affecting fluidity and signaling—and act as precursors to eicosanoids like prostaglandins and leukotrienes that regulate inflammation[1][4]. While adequate intake is necessary for health—including cardiovascular function—they can have pro-inflammatory effects if consumed excessively relative to omega‑3s. This imbalance has been associated with increased risk of chronic diseases such as cardiovascular disease and diabetes[2][5]. Omega‑6 fatty acids themselves are not considered therapeutic targets like receptors or enzymes; rather they are nutrients/metabolites involved in broader metabolic pathways. Some supplements provide specific forms (e.g., evening primrose oil contains GLA), but there are no drugs that directly "target" all omega‑6s collectively. *Note*: The entry "Omega‑6 fatty acids" is not a single molecular entity or receptor but rather a chemical family/classification. It does not fit standard definitions used for drug targets such as receptors or enzymes—thus it should be marked *is_incorrect = true* if strict molecular targeting information is required[1][4].

Other names

omega-6ω-6n-6 fatty acidpolyunsaturated omega-6 fatty acidlinoleic acid (main dietary form)arachidonic acid (metabolite)gamma-linolenic acid (GLA)