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Some herbs are known to react with your medication. Please consult your physician before starting on any herb.


Kelp (Bladderwrack) Fucus vesiculosus


Family: Fucaceae

---Synonyms---Kelp, Seawrack, Kelpware, Black-tang, Bladder Fucus, Cutweed, bladderwrack, sea weed, sea oak, black tany, cutweed

Parts Used: The whole plant.


Active Compounds: 

Phenolic compounds, phloroglucinol, its dehydropolymerization products the fucols, the fucophorethols, phlorotannin derivatives.

Mucopolysaccharides, algin.

Sulphuryl-, sulphonyl- and phosphonyl-glycosyl ester diglycerides.

Polar lipids

Trace metals, particularly iodine.

--Medicinal Action and Uses---

Anti-hypothyroid, anti-rheumatic, alterative, diuretic

Bladderwrack has proved most useful in the treatment of underactive thyroid glands and goiter. Through the regulation of thyroid function there is an improvement in all the associated symptoms. Where obesity is associated with thyroid trouble, this herb may be very helpful in reducing the excess weight. It has a reputation in helping the relief of rheumatism and rheumatoid arthritis, both used internally and as an external application upon inflamed joints.

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