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Weekly Health Quiz: Fillings, Anxiety and Omega-3


This is an older article that may not reflect Dr. Mercola’s current view on this topic. Use our search engine to find Dr. Mercola’s latest position on any health topic.

1 To reap optimal health benefits, which of the following omega-3 sources is the best?

  • Omega-3-rich plant foods such as flaxseed, flaxseed oil, chia seeds, walnuts and leafy greens
  • Fish oil supplements
  • Krill oil supplements
  • Small, fatty fish such as sardines, anchovies and herring

    The health benefits of DHA and EPA are well-established. However, this research refers to fish consumption only. A number of studies have failed to find benefit when studying the effects of fish oil supplements. Reasons for such poor results include studying dosage rather than omega-3 blood levels, and the fact that most fish oil supplements contain a poorly absorbed form of DHA and EPA. Learn more.


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