MINERAL GUIDE: COPPER (Cu) AND IODINE (I)
Copper (Cu)
Functions
Similar to those of iron. Iron cannot be absorbed without copper. Necessary for production of RNA. Involved in protein metabolism, in healing processes and in keeping the natural color of the hair. Aids development of bones, brain, nerves and connective tissues.
Deficiency symptoms
Deficiency of copper may cause anemia, loss of hair, impaired respiration, digestive disturbances, graying of hair, heart damage.
Natural sources
Foods rich in copper are generally those rich in iron. Especially good sources: almonds, beans, peas, green leafy vegetables, whole grain products, prunes, raisins, pomegranates, liver.
RDA (Recommended Daily Allowances)
2mg.
Iodine (I)
Functions
Essential for formation of thyroxin - the thyroid hormone which regulates much of physical and mental activity. Regulates the rate of metabolism, energy production, and body weight. Helps to prevent rough and wrinkled skin. Plentiful dietary iodine can prevent poisoning by radioactive iodine 131. Essential for the health of thyroid gland.
Deficiency symptoms
Deficiency may cause goiter and enlargement of the thyroid gland, or exophthalmic goiter. Prolonged deficiency may result in cretinism. Dietary lack may lead to anemia, fatigue, lethargy, loss of interest in sex, slowed pulse, low blood pressure and a tendency toward obesity. A serious deficiency may result in thyroid cancer, high blood cholesterol and heart disease.
Natural sources
The best dietary sources of iodine are kelp, dulse and other seaweed (available in tablet form). Other good sources are: Swiss chard, turnip greens, garlic, watercress, pineapples, pears, artichokes, citrus fruits, egg yolks, and, of course, seafood and fish liver oils.
RDA (Recommended Daily Allowances)
150 mcg. (0.15 mg.)
*162/103/5*
GENERAL HEALTH
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