How much dried seaweed is safe to eat? Navigating iodine and heavy metals
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4 min read
According to a 2024 study published in *Nature*, eating seaweed can significantly increase urinary iodine and arsenic levels, especially with higher-iodine varieties. Understanding how much dried seaweed is safe to eat requires careful consideration of its mineral and potential contaminant content, which varies dramatically by species and harvest location.
