Kelp is rich in natural iodine. Iodine is an essential need of the human body to be healthy. Iodine deficiency is the leading cause of mental retardation according to World Health Organization and symptoms may include dry, scaly skin and scalp, constipation, fatigue, dysfunctional thyroid operation, infertility, increased rate of still births and growth abnormalities.
Because of high iodine content, another kelp benefit is the protection against radiation poisoning. Iodine is also important for the thyroid, immune system, and female hormone regulation.
Kelp is rich in Vitamins and Minerals
Kelp benefits the whole body because in addition to iodine, kelp contains vitamins B1, B2, and B12 and minerals such as potassium, calcium and iron.
Kelp Benefits for Thyroid Health
Iodine benefits include the proper functioning of the thyroid glands. The high level of iodine in kelp regulates thyroid hormones. Although synthetic medications have long replaced iodine diet in the treatment of thyroid gland problems, the use of kelp or iodine rich diet can supplement the treatment.
Kelp Prevents Estrogen-Related Cancer
Statistics have shown that Japanese women have lower rates of reported ovarian, breast and endometrial cancers. In a study conducted examining the diets of Japanese women, it has been found that Japanese eat more of natural foods including kelp and soya. In related investigation, it has been found that a diet containing kelp lowered serum estradiol levels in women and had phytoestrogenic properties. 
Anti Cancer Benefits from Kelp
Kelp belongs to the group of brown seaweeds that has been found to contain fucoidan, a a sulfated polysaccharide that has been isolated to exhibits the ability to induce human lymphoma HS-Sultan cell lines apoptosis (cell death). 
Anti-Inflammatory Benefits from Kelp
Kelp contains fucoidan, a sulfated polysaccharide that displays a wide variety of internal biological activities. A study done in the Department of Pharmacy, Pusan National University, Busan Korea indicated that fucoidan treatment significantly inhibited excessive production of nitric oxide and prostaglandin in LPS-stimulated BV2 microglia that is the precursor of inflammation.
Kelp Benefits for Neurodegenerative Diseases
From the same study, fucoidan extracted from kelp attenuated expression of inducible nitric oxide synthase (iNOS), cyclooxygenase (COX)-2, monocyte chemoattractant protein-1 (MCP-1), and pro-inflammatory cytokines, including interleukin-1β (IL-1β) and tumor necrosis factor (TNF)-α. Moreover, fucoidan exhibited anti-inflammatory properties by suppression of nuclear factor-kappa B (NF-κB) activation and down-regulation of extracellular signal-regulated kinase (ERK), c-Jun N-terminal kinase (JNK), p38 mitogen-activated protein kinase (MAPK), and AKT pathways. These finding suggest that fucoidan may offer substantial therapeutic potential for treatment of neurodegenerative diseases that are accompanied by microglial activation. 
Antioxidants Benefits from Kelp
Studies have found that sea vegetables including kelp contain antioxidants that can protect fight free radicals and other potentially hazardous elements.
Magickal uses of Kelp include healing, protection, travel protection, psychic powers, business success, attracting customers, and any type of water / sea / wind magick.
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