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General description	Trace element important for normal thyroid function.
Found	- kelp - seafood - iodized salt and sea salt - eggs - garlic
Anti-aging role	- regulating basal metabolism rate - protect against toxic effects from radioactive material - relieve pain and sorens associated with fibrocystic breast disease - prevent dental caries
Deficiency symptoms	- goiter, hypothyroidism - physical and mental sluggishness - poor circulation - low vitality - dry hair and skin - cold hands and feet - obesity - cretinism - hearing loss - pregnancy complications
Therapeutic doses	150 - 300 mcg RDA - 150 mcg
Maximum safe level	500 mcg long term usage 700 mcg short term usage
Side effects	- high doses interfere with normal thyroid function. - body weight loss - tachycardia - muscle weak - high temperature - sweaty palms ACUTE INTOXICATION: - burning in throat and mouth - fever - nausea, vomiting - low pulse - cynosis - coma
Contraindications	- hyperthyreoidism
Interactions	DRUG ITNERACTIONS: - lithium - antithyroid drugs (methimazole) - propilthiouracil FOOD INTERACTIONS: - goitrogens - reduce iodine utilization and thyroid hormones synthesis
High risk groups	- vegans - people with low diary, fish and sea products diets - pregnant and breast-feeding women - patients with full parenteral diet
Composition formulas	- mostly in form of potassium iodine - algae products (kelp, spirulina, chlorella) and multivitamin - mineral products
Other remarks	- soluble in non-polar solvents

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