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Old 04-18-2013, 03:51 PM   #7
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With supplements, it depends on the source of the Omega-3, and the interesting thing is they are considering the effects of supplements not Omega-3 found in natural food source which may be an important distinction.


Flaxseed oil is being heavily promoted as an alternative to fish oil. The health benefits of fish oil are believed to derive principally from two omega-3 fats, eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA). Flaxseed oil contains a third, plant-based omega-3, alpha-linolenic acid (ALA). Other foods (especially walnuts) and oils (canola and soybean, for example) contain ALA. But at about 7 grams per tablespoon, flaxseed oil is by far the richest source.

The main problem with ALA is that to have the good effects attributed to omega-3s, it must be converted into EPA and DHA. As a result, only a small fraction of it has omega-3’s effects . So in terms of omega-3 “power,” a tablespoon of flaxseed oil is worth about 700 milligrams (mg) of EPA and DHA. That’s still more than the 300 mg of EPA and DHA in many 1-gram fish oil capsules, but far less than what the 7 grams listed on the label might imply.


Why not flaxseed oil?
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