Advertising on our site helps support our mission. We do not endorse non-Cleveland Clinic products or services. Among the foods to go easy on are soy, kelp and dietary supplements like iodine and selenium, says endocrinologist Christian Nasr, MD. Soy: If you have hypothyroidism, yes. Eating too much soy causes problems only for those with hypothyroidism , which occurs when your thyroid gland does not make enough thyroid hormones, Dr. Nasr says.
The main problem is that soy may hinder absorption of the hormones that such patients take. Turnips and root vegetables: No. They are good for your diet, regardless of any thyroid issues. One root vegetable that is the exception is cassava, a common staple in certain parts of Africa. People with thyroid issues should not have more than an average daily recommended intake of to micrograms of kelp per day, Dr. The concentration of kelp in foods is generally not enough to cause a problem, but a kelp capsule can contain as much as micrograms, he says.
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The product label also includes the following statement: CAUTION: Do not exceed recommended dosage without first consulting your healthcare practitioner, as excess iodine may adversely affect thyroid function. Case report: potential arsenic toxicosis secondary to herbal kelp supplement.
Louis: Mosby, Inc; Iodine poisoning. Nutr Business Journal. European Pharmacopoeia. Strasbourg, France: Council of Europe; Kelp; pp.
Food Standards Agency. The thick, smooth feel of chocolate milk is made by adding alginates. Kelp is also used as soil conditioners. It adds organic material to soil that doesn't have enough nutrients.
As a supplement, kelp is used as a natural source of iodine. But the average laminaria-based supplement might contain large amounts of iodine. This can cause decreased thyroid function hypothyroidism or increased thyroid function hyperthyroidism. If you already have hyperthyroidism, it can make your condition worse. Some supplements may also contain arsenic.
Kelp may improve sensory receptors. It may also promote healthy nails and blood vessels, aid in digestion, and ease constipation.
It may also reduce hair loss and help with diabetes and weight management. Kelp may treat gastrointestinal ulcers. Kelp comes in powder and capsule form. Follow the instructions on the package for the correct dose.
Both hyperthyroidism and hypothyroidism have been linked to too much kelp intake.
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