Omega-3 and obesity


In several studies it has been found that increasing the intake of omega-3 by 0,3–3,0 g/day can improve the composition of our body, reducing body weight and body fat in overweight and obese people.

One of them examined the fatty acid composition of abdominal adipose tissue samples of 84 obese patients (the adipose tissue is a connective tissue consisting mainly of fat cells). The researchers found that abdominal obesity (waist-hip ratio) and abdominal fat area (measured by computed tomography) were inversely related to the omega-3 content (in particular, the DHA content) of the adipose samples; that is: more omega-3 content, less abdominal obesity and abdominal fat area.

In a following study, the same researchers showed that the omega-3 content of the subcutaneous adipose tissue was, also, inversely related to adipocyte size (to the fat cell size). These data indicate that higher values of omega-3 are associated with reduced abdominal obesity as a result of a reduction in adipocyte size.


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