Several possible studies
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Irish Sea Moss: What Is It, Supplements, Benefits, Risks (opens in a new tab)
menshealth.com · 2026-10-02
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Several possible studiesNo clear answer.
More than one paper fits the article's details, and none fits well enough to single out. Checking claims against the wrong study would be worse than not checking them at all.
Checked against the study summary. The full text wasn't available, so some details couldn't be settled either way.
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Irish Sea Moss: What Is It, Supplements, Benefits, Risks
menshealth.com · 2026-10-02
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Several studies could be the source of this story.
More than one paper fits the article's details, and none fits well enough to single out. Checking claims against the wrong study would be worse than not checking them at all.
Open claim evidenceSearch result
Several studies could fit.
More than one paper fits the article's details, and none fits well enough to single out. Checking claims against the wrong study would be worse than not checking them at all.
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The paper behind the story
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The research anchor for the report.
- Cited as backgroundmentioned without context
Risk assessment of iodine intake from the consumption of red seaweeds (Palmaria palmata and Chondrus crispus).
Environmental Science and Pollution Research International · 2020
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Claim 1 of 7Not checkedIrish sea moss has become a mainstream wellness trend, with advertisements claiming it supports healthy joints, skin, and hair and boosts immunity.View evidenceHide evidence
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NewsLink could not identify one source study, so this claim was not compared against a paper.
Claim 2 of 7Not checkedIrish sea moss is a type of seaweed or algae that contains vitamins, minerals, and antioxidants, including iodine, iron, magnesium, phosphorus, zinc, and copper.View evidenceHide evidence
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NewsLink could not identify one source study, so this claim was not compared against a paper.
Claim 3 of 7Not checkedThere are not many studies showing the effects of sea moss on human health, and existing human studies are small while other evidence comes from animal or in vitro work.View evidenceHide evidence
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NewsLink could not identify one source study, so this claim was not compared against a paper.
Claim 4 of 7Not checkedExtracts of Chondrus crispus have shown potential antioxidant and anti-inflammatory activity.View evidenceHide evidence
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NewsLink could not identify one source study, so this claim was not compared against a paper.
Claim 5 of 7Not checkedThe article says there is no scientific research to support a guaranteed health benefit from Irish sea moss supplements, though they may contain useful vitamins and minerals.View evidenceHide evidence
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NewsLink could not identify one source study, so this claim was not compared against a paper.
Claim 6 of 7Not checkedPotential risks include excess iodine affecting thyroid health and heavy-metal contamination, especially with large amounts or some supplements.View evidenceHide evidence
As statedover 1.1 milligrams per day to develop iodine toxicity; about 150 mcg daily recommended; one serving of seaweed about 116 mcg
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NewsLink could not identify one source study, so this claim was not compared against a paper.
Claim 7 of 7Not checkedThe article advises that most people do not need an Irish sea moss supplement if they already eat a varied diet, and suggests a regular iodine or magnesium supplement may better meet specific needs.View evidenceHide evidence
As statedabout four grams per day
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NewsLink could not identify one source study, so this claim was not compared against a paper.
Method layer
No single source study was found.
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Nearby research
No exact source, but these papers are close.
PubMed, Crossref, Europe PMC · 16 candidate papers
Risk assessment of iodine intake from the consumption of red seaweeds (Palmaria palmata and Chondrus crispus).
Environmental Science and Pollution Research International · 2020 · PubMed
Evaluation of 3 northwest European seaweed species on enteric methane production and lactational performance of Holstein-Friesian dairy cows.
Journal of Dairy Science · 2023 · PubMed
Chondrus crispus (carrageen)
CABI Compendium · 2021 · Crossref
Metformin-like Methylglyoxal Scavengers from Macroalgae Chondrus crispus and Gracilaria vermiculophyla Preserve Cell Viability.
2026 · Europe PMC
Natural vitamin B12 and fucose supplementation of green smoothies with edible algae and related quality changes during their shelf life.
Journal of the Science of Food and Agriculture · 2018 · PubMed
And 11 more candidates considered.