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Weekly Health Quiz: Weeds, Sleep and Flowers


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 Which common weed contains some of the highest amounts of plant-based omega-3?

  • Nettles
  • Purslane

    Purslane has a stellar omega-3 fatty acid profile, compared to other vegetables, containing anywhere from 300 to 400 milligrams (mg) of omega-3 per cup. Learn more.

  • Dandelion
  • Lamb's Quarters


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