Seaweed is omnipresent in Chinese and Japanese medicine and cuisine. Known by its scientific name fucus vesiculosus, Bladderwrack is a brown seaweed found along the northern seacoasts of the Atlantic and Pacific Oceans. It is found primarily in herbal supplements, though it can be found in many natural and organic food stores as a vegetable.
Reduces Risk for Estrogen-Related Cancers
Research at the University of California studied the disparity in estrogen-dependent cancer--including breast, ovarian, colorectal and endometrial cancers--rates between women in Western nations and those who live in Asia, where the risk of these cancers are much lower. The study's hypothesis looked at dietary differences, including higher seaweed consumption in Asian cultures. Participants consuming bladderwrack saw longer menstrual cycles, which showed "significant anti-estrogenic and progestagenic effects." The body's level of 17beta-estradiol--an enzyme which clogs arteries and promotes cancer growth--dropped and progesterone levels increased.
Fights Wrinkles
Bladderwrack, when applied topically, can strengthen the connective tissues of the skin. Stronger, tighter skin combats physical signs of aging, including wrinkles and fine lines. A study published in the Journal of Cosmetic Science showed that a topical gel with a 1 percent concentration of bladderwrack applied to the skin twice daily for five weeks increased elasticity and lessened wrinkles.
Increases Iodine Levels in the Body
Seaweed is naturally high in iodine, a naturally occurring element needed by humans to process thyroid hormones, according to the Linus Pauling Institute. People with hypothyroidism have underperforming thyroids which do not produce enough the metabolism-regulating enzymes. In addition to prescription medications, the University of Maryland Medical Center found bladderwrack can boost iodine levels in the body and support the thyroid. The UMMC suggested 600 mg doses, one to three times a day.
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