Irish Moss Extract
Also known as: Irish Moss, Carrageen Moss, *Chondrus crispus*
Overview
Irish Moss, scientifically known as *Chondrus crispus*, is a red algae found in the North Atlantic, particularly along the coasts of Ireland. It is recognized for its high carrageenan content, which has thickening and gelling properties, making it a popular ingredient not just in food products but also in cosmetics. Irish Moss is rich in essential vitamins, minerals such as iodine, and polyunsaturated fatty acids, contributing to its purported health benefits. Traditionally valued for its potential to ease respiratory issues and enhance digestion, the extract's antiviral and anti-inflammatory characteristics are still under investigation, and the available evidence primarily stems from folklore and smaller-scale studies, resulting in a need for more rigorous clinical trials to robustly validate these effects.
Benefits
The potential benefits of Irish Moss include its ability to lower cholesterol and triglyceride levels, soothe respiratory discomfort, and offer antiviral properties. Evidence supporting these claims comes primarily from traditional use and limited studies rather than large-scale scientific inquiry. Its demulcent and emollient qualities may promote digestive health and skin health, but the lack of high-quality research and clinical trials prevents clear understanding of its effect sizes and clinical significance. While it is used in various culinary applications, benefits for specific populations remain undiscovered in well-documented research.
How it works
The action of Irish Moss is largely attributed to its carrageenan content, which may interact with inflammation and immune response pathways, potentially impacting lipid metabolism as well. The extract might influence various body systems, including gastrointestinal, respiratory, and cardiovascular functions, although precise molecular mechanisms and bioavailability details are still not thoroughly understood in existing literature.
Side effects
Irish Moss is generally considered safe for most individuals when consumed in typical amounts, but comprehensive safety data from larger trials are still lacking. Common side effects are not well-documented, although some individuals may experience gastrointestinal upset if high quantities are ingested. There have been no rare side effects reported in the literature. No significant drug interactions have been established, and while there are no specific contraindications, individuals with severe allergies to seaweed should exercise caution. Pregnant and breastfeeding women are advised to consult healthcare professionals before using Irish Moss due to insufficient safety data.
Dosage
There is no established minimum effective dose or optimal dosage range for Irish Moss extract, given the variability in its use as either a food additive or a supplement. Typically, it is introduced in small amounts, particularly in culinary contexts, and specific dosing for health benefits is not well-defined. Maximum safe doses also lack established thresholds. There are no specific timing recommendations for consumption, and Irish Moss is available in several forms, including capsules, powders, and gels. The absorption factors and any required cofactors for optimal health effects have not been thoroughly investigated.
FAQs
How can I use Irish Moss?
Irish Moss can be utilized as a thickening agent in recipes or taken as a dietary supplement for its potential health benefits.
Is Irish Moss safe?
While Irish Moss is generally considered safe, comprehensive safety data are limited. Always consult with a healthcare provider if unsure.
What is the best time to take Irish Moss?
There are no specific timing or administration guidelines for Irish Moss; it can be enjoyed in food or as a supplement at any time.
What benefits can I expect from Irish Moss?
Potential benefits of Irish Moss include improved digestive and respiratory health, although robust clinical evidence to support these claims is lacking.
Are there misconceptions about Irish Moss?
Yes, Irish Moss is often confused with other seaweeds, and its health claims may be overstated due to a lack of extensive clinical evidence.
Research Sources
- https://www.learningherbs.com/blog/irish-moss-uses – This article discusses the traditional uses of Irish Moss, detailing its applications in foods and potential health benefits, but acknowledges the limited high-quality evidence backing these claims.
- https://purehost.bath.ac.uk/ws/portalfiles/portal/286301563/TOR_Full_Edition.pdf – The document includes various studies regarding seaweed, including Irish Moss, and highlights benefits, but emphasizes the need for more rigorous clinical trials to substantiate health claims.
- https://www.unboundmedicine.com/medline/research/Irish_moss – A research entry providing an overview of Irish Moss, including its traditional uses and the need for further studies to evaluate its health-related claims comprehensively.
- https://www.healthline.com/nutrition/seamoss – Healthline offers a detailed overview of Irish Moss's nutritional benefits, various uses, and potential health effects, while discussing the current state of research and its limitations.
Supplements Containing Irish Moss Extract

Core Licro Blend
Energetix

CinnaBalance
Tropical Oasis

Irish Moss
Pure Herbs

Irish Moss
Pure Herbs

A.C.S. (All Cells Salts)
Pure Herbs

Formula Thirty-One
Pure Herbs
SC-W
Pure Herbs

A.C.S. (All Cells Salts)
Pure Herbs

Formula Thirty-One
Pure Herbs

Formula Max
Pure Herbs
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