Omega-6 fedtsyrer (også kaldet ω-6 fedtsyrer eller n-6 fedtsyrer) er en familie af proinflammatoriske og antiinflammatoriske flerumættede fedtsyrer, der har til fælles en endelig carbon-carbon dobbeltbinding i n-6-positionen, Det er, Den sjette obligation, counting from the methyl end.
The biological effects of the omega-6 fatty acids are largely produced during and after physical activity for the purpose of promoting growth and during the inflammatory cascade to halt cell damage and promote cell repair by their conversion to omega-6 eicosanoids that bind to diverse receptors found in every tissue of the body.