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Bladderwrack extract
Bladderwrack extract (Seaweed) Fucus vesiculosus iodine alginic acid
fucoidan
Bladderwrack extract (Seaweed) Fucus vesiculosus iodine alginic acid
fucoidan
Parts used and where grown
Bladderwrack is a type of brown algae (seaweed) that grows on the
northern Atlantic and Pacific coasts of the United States and on the
northern Atlantic coast and Baltic coast of Europe. The main stem of
bladderwrack, known as the thallus, is used medicinally. The thallus
has tough, air-filled pods or bladders to help the algae float¡ªthus
the name bladderwrack. Although bladderwrack is sometimes called
kelp, that name is not specific to this species and should be
avoided.
Historical or traditional use (may or may not be supported by
scientific studies)
Bladderwrack¡¯s mucilaginous thallus has long been used to soothe
irritated and inflamed tissues in the body.1 It was also historically
used as a bulk-forming laxative.2 People living near oceans or seas
have a historically low rate of hypothyroidism, due, in part, to
ingestion of iodine-rich food, such as seafood and seaweeds like
bladderwrack. It has also been used to counter obesity, possibly due
to its reputation for stimulating the thyroid gland. Clinical
research in this area has failed to confirm that seaweeds like
bladderwrack help with weight loss,3 though more specific research is
warranted.
Active constituents
There are three major active constituents in bladderwrack: iodine,
alginic acid, and fucoidan.
The amount of iodine in bladderwrack is highly variable,4 probably as
a result of different amounts of iodine in the water where it grows.
A reasonable portion of bladderwrack may contain the U.S. adult
recommended dietary allowance (RDA) of iodine (150 mcg). The RDA
amount of iodine is believed to be necessary for maintenance of
normal thyroid function in adults (infants and children need
proportionally less). Thus, in people with insufficient iodine in
their diet, bladderwrack may serve as a supplemental source of
iodine. Either hypothyroidism or goiter due to insufficient intake of
iodine may possibly improve with bladderwrack supplementation, though
human studies have not confirmed this.
Ms.lily liu
Sales Manager
Organic Herb Inc.
Phone +86 731 4060828
Mobile +86 135 1747 5149
Fax +86 731 4023669
Email: lily@xxxxxxxxxxxxxxxx
Website: <http://www.organic-herb.com>
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