Research
Mixed
Consuming seaweed carries risks of heavy metal and iodine contamination, requiring regulated sourcing and processing to ensure safety.
Be cautious when consuming seaweed due to potential heavy metal and iodine contamination. Choose products from regulated sources that adhere to safety standards and labeling requirements to minimize health risks.
ModerateQualifiesMEDIUM confidence
However, as seaweeds have a great ability to perform bioaccumulation of heavy metals, contaminants, and iodine, the concerns about the consumption of seaweeds are increasing, particularly regarding human health safety.
Why this rating
Review paper citing regulatory guidelines and safety concerns.
Source
Seaweed’s Bioactive Candidate Compounds to Food Industry and Global Food Security
Adriana Leandro et al. · Life · 2020
DOI 10.3390/life10080140
narrative_reviewCited 207×
Read the paper DOI resolved against Crossref · corpus check 2026-06-10
More from this paper
- Seaweeds are a nutrient-dense, sustainable food source that provides essential macronutrients (proteins, lipids, carbohydrates) and micronutrients (vitamins, minerals) without competing for arable land or freshwater.Moderate
- Consuming seaweed provides high-quality complete proteins with all essential amino acids, though digestibility can be reduced by phenolic compounds and polysaccharides.Moderate
- Seaweeds are rich in polyunsaturated fatty acids (PUFAs), specifically omega-3 and omega-6, which are essential for human health and cardiovascular function.Moderate
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