Are there poisonous types of seaweed?



  1. 0 Votes

    Of the thousands of different types of seaweeds, not one is poisonous to humans naturally. Many are actually eaten by some cultures as a source of salt and other vital minerals. However, if seaweed comes in contact with toxins like heavy metals, it can become dangerous to humans. Avoid seaweed from dirty areas or if you cannot be sure of its origins.

  2. 0 Votes

    Wait!! There IS actually one poisonous seaweed called Lyngbya. Its called mermaid’s hair because it is a bright green, tangled mass of skinny strands. Clumps of Lyngbya can be found on sea shores. 

    There are also a few non-poisonous seaweeds can cause gastrointestinal distress as well.

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