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What Seaweed Has the Most Iodine?

Published in Seaweed Iodine 1 min read

Kombu kelp, particularly the type known as sugar kelp, contains the highest amount of iodine among various seaweed varieties.

Brown seaweeds, as a group, generally contain significantly more iodine compared to red or green seaweeds. Within the brown seaweed family, there's a notable range in iodine concentration, with some species being remarkably richer than others.

Highest Iodine Seaweed

  • Kombu Kelp (Sugar Kelp): This specific type of brown seaweed is exceptionally rich in iodine, far surpassing the content found in most other seaweeds. Its high concentration makes it a potent natural source for this essential mineral.

Iodine Spectrum Among Brown Seaweeds

While all brown seaweeds tend to be good sources of iodine, their levels can vary considerably:

  • Highest Iodine: Kombu kelp (sugar kelp)
  • Lowest Iodine (among browns): Alaria

Understanding these differences is crucial for individuals looking to incorporate seaweed into their diet for specific nutritional benefits, especially iodine intake.