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Laminaria Saccharina Extract
Laminaria Saccharina Extract
Low concern
Kelp species are widely consumed as food but contain high and variable iodine concentrations; excessive intake can disrupt thyroid function. Mostly used cosmetically here.
Found in
3 products
What it is
Extract from sugar kelp (Saccharina latissima, formerly Laminaria saccharina), a brown seaweed.
Used in cosmetics as conditioning agent; in food, source of iodine and alginate-type polysaccharides.
Why it's flagged
- high iodine content
- potential heavy metal accumulation
What regulators actually say
"Some seaweeds (e.g., kelp) contain very high amounts of iodine and consumption could exceed the tolerable upper intake level."
Regulatory status
United States — FDA
Edible seaweeds permitted as food
European Union — EFSA
EFSA reviewed iodine intake from seaweed
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