It is an excellent source of B12 Iodine which protects against miscarriage, infertility, menstrual disruptions, breast, pancreatic, ovarian, pancreatic, and thyroid cancer among others. It helps maintain thyroid function, intern assisting the body to maintain a proper weight, hormone balance and chemical messenger system.  Kelp nourishes the sensory nerves, brain membranes, also spinal cord and brain tissue.  Kelp contains alginic acid which can help protect the body against the effects of radiation. In the United States the average person gets just enough iodine to keep at bay a goiter 240mcg per day not for good health.