Irish Sea Moss Extract
Also known as: Irish Sea Moss, Irish Moss, Chondrus crispus
Overview
Irish Sea Moss, scientifically known as *Chondrus crispus*, is a red algae traditionally valued for its nutritional properties and potential health benefits. It is a rich source of iodine, fiber, calcium, and magnesium. Commonly used to support thyroid function, improve digestion, and boost the immune system, it's available in various forms, including gels and powders. While promising, the evidence supporting its benefits is primarily from animal studies and in vitro research, highlighting the need for more human trials to validate these effects. It is found in coastal regions of the Atlantic and is now cultivated for commercial use.
Benefits
Irish Sea Moss may offer several potential health benefits, although most are supported by limited human research. Its iodine content can support thyroid function, while its fiber content may improve digestion. Some studies suggest potential anti-inflammatory and antiviral properties, primarily based on in vitro and animal models. Vegans and vegetarians may find it a valuable source of nutrients. However, quantitative data on effect sizes is scarce, and more well-designed human trials are needed to confirm these benefits and determine their clinical significance. Some users report improved energy levels, but this is largely anecdotal.
How it works
Irish Sea Moss contains sulfated polysaccharides that may stimulate immune responses and exhibit antiviral properties. Its iodine content supports thyroid hormone production, while its fiber and prebiotic properties can influence gut health. The exact molecular targets are not fully understood, but its components may interact with immune-related genes and thyroid hormone production pathways. Absorption is generally quick, but factors like hydration and the form of consumption (gel, powder) can affect bioavailability. Further research is needed to fully elucidate its mechanisms of action.
Side effects
Irish Sea Moss is generally considered safe, but potential risks include high iodine intake and possible heavy metal contamination. Common side effects include digestive discomfort due to its high fiber content. Uncommon side effects involve iodine overload, which can lead to thyroid issues. Drug interactions may occur with thyroid medications. Contraindications include pregnancy, breastfeeding, and pre-existing thyroid dysfunction, requiring caution. Children and individuals with shellfish allergies should avoid it. It is crucial to source Irish Sea Moss from reputable suppliers to minimize the risk of contamination.
Dosage
The minimum effective dose of Irish Sea Moss is not well-established. Typical recommendations suggest 1-2 tablespoons of gel per day. The maximum safe dose is also not well-defined, so it is important to start with a small dose and monitor tolerance. Consistent daily intake is generally recommended. Gel and powder forms are common, and adequate hydration is important for absorption. Due to the potential for high iodine content, individuals should be cautious not to exceed recommended dosages and consult with a healthcare provider, especially if they have thyroid issues.
FAQs
How should I use Irish Sea Moss?
Start with a small dose (e.g., 1 tablespoon of gel) and monitor your tolerance. Ensure proper hydration. Consistent daily use is recommended for potential benefits.
Is Irish Sea Moss safe for everyone?
Consult a healthcare provider if you have thyroid issues or are pregnant/breastfeeding. Children and individuals with shellfish allergies should avoid it.
What results can I expect from taking Irish Sea Moss?
Some users report improved digestion and energy levels within a week. However, it is not a quick fix for weight loss or heart health. Individual results may vary.
Can Irish Sea Moss help with weight loss?
While some studies suggest potential benefits for weight management, most evidence comes from animal studies. It is not a quick fix for weight loss, and more human trials are needed.
How can I ensure the Irish Sea Moss I'm using is safe?
Source Irish Sea Moss from reputable suppliers to minimize the risk of heavy metal contamination. Look for products that have been tested for purity and contaminants.
Research Sources
- https://pubmed.ncbi.nlm.nih.gov/29438847/ – A study on sulfated polysaccharides from *Chondrus crispus* found that they can enhance immune responses in mussels by increasing haemocyte viability and lysozyme activity. This suggests potential immune-boosting properties, but the study was conducted in an animal model and lacks direct human application. The findings highlight the need for further research to determine the effects on human immune function.
- https://www.singlecare.com/blog/how-long-does-sea-moss-take-to-work/ – This article discusses the potential benefits of sea moss, including improved digestion and energy levels. It notes that some benefits may be noticeable within a week, but individual results can vary. The article also emphasizes the importance of consulting with a healthcare provider before starting sea moss supplementation, especially for those with pre-existing health conditions.
- https://www.unboundmedicine.com/medline/research/Irish_moss – This resource provides a general overview of Irish moss, highlighting its nutritional content and traditional uses. It mentions that Irish moss is rich in minerals and may have potential health benefits, but emphasizes the need for more research to confirm these effects. The resource serves as a starting point for understanding the basic properties of Irish moss.
- https://www.revital.co.uk/blogs/news/sea-moss-health-benefits-different-forms-and-who-should-avoid-it – This blog post discusses the health benefits of sea moss, different forms it comes in, and who should avoid it. It highlights the potential benefits for weight management and immune function, but notes that most evidence comes from animal studies. The article also advises caution for individuals with thyroid issues, pregnancy, or breastfeeding.
- https://www.healthline.com/nutrition/seamoss – This article provides a comprehensive overview of sea moss, including its nutritional content, potential health benefits, and side effects. It notes that sea moss is rich in nutrients and bioactive compounds, but emphasizes that human trials are needed to confirm its health benefits. The article also discusses potential risks, such as high iodine intake and heavy metal contamination.
Supplements Containing Irish Sea Moss Extract

Sea Moss Gummies 3000 mg Natural Raspberry Flavor
Vitamatic

Sea Moss Gummies
Double Wood Supplements

Ashwagandha 3600 mg
Garden of Herbz

Irish Sea Moss 4000mg
WeightWorld

Hydration+ Powder Tropical Vibes
Applied Nutrition

IRISH SEA MOSS
Double Wood® SUPPLEMENTS

TRUE SEA MOSS ELDERBERRY GUMMIES
TRUE SEA MOSS

Irish Sea Moss
SNAP® Supplements

SHILAJIT COMPLETE BLEND CAPSULES
VITAMIZED

SEA MOSS DROPS 3000MG
TRUE SEA MOSS

Spike Support
THE WELLNESS COMPANY™

SHILAJIT GUMMIES SEA MOSS+BLACK SEED OIL+ASHWAGANDHA
Beworths
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