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Nori
Nori
Also known as: nori seaweed
Low concern
Nori is a whole-food seaweed providing iodine, B vitamins (including B12 in some forms), and minerals. Iodine content can be variable; very high consumption can exceed iodine UL and affect thyroid function.
Found in
198 products
What it is
Edible red algae (Pyropia/Porphyra species), dried into thin sheets; staple of Japanese cuisine.
Whole-food sea vegetable; wrap for sushi, snack, seasoning.
Why it's flagged
- variable iodine content; excess can affect thyroid
What regulators actually say
"Seaweed is among the best food sources of iodine, but the amount of iodine in seaweeds varies greatly."
"Seaweed, laver (nori), raw — contains protein, vitamins, and iodine."
Regulatory status
United States — FDA
Conventional food.
European Union — EFSA
Conventional food; iodine content monitored.
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