| Term 
 | Definition 
 
        | ADR-10 mg(males) 18 mg(females) Activity in body- formation of hemoglobin for oxygen delivery: enzymes Deficiency symptoms- dry skin, spoon shaped nails; decreased hemoglobin count; anemia Dietary sources- liver and other organ meat, oysters, red or dark meat, green leafy vegetables |  | 
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        | Term 
 | Definition 
 
        | ADR- 2.0 -5.0 mg Activities in the body- necessary in many enzyme systems;aids formation of red blood cells and collagen Deficiency symptoms- uncommon; anemia; decreased white blood cell count;bone demineralization Dietary sources- nuts, organ meat,whole grains, shellfish, eggs, poultry, green leafy vegetables |  | 
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        | Term 
 | Definition 
 
        | ADR- 15 mg Activity in the body-amino acid metabolism; growth; maintain enzyme systems; energy production; collagen Deficiency symptoms- retarded growthand bone formation; dwarfism; skin inflamation; impaired taste; poor healing Dietary sources-oysters, crab, lamb, beef, organ meat, whole grains |  | 
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        | Term 
 | Definition 
 
        | ADR- 2.5 -5.0 mg Activities in the body- necessary for some enzyme systems; coolagen formation; central nervous system function; fat and carbohydrate metabolism; blood clotting Deficiency symptoms- abnormal skeletal growth; impairment of central nervous system Dietary sources- whole grains, wheat germ, legumes, pineapple, figs |  | 
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        | Term 
 | Definition 
 
        | ADR- 150 mcg Activity in the body- necessary for activity of thyroid gland Deficiency symptoms- hypothyroidism; goiter; cretinism Dietary sources- seafood, iodized salt |  | 
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        | Term 
 | Definition 
 
        | ADR- 1.5 - 4.0 mg Activities in the body- necessary for solid tooth formation and retention of calcium in bones with aging Deficiency symptoms- dental cavities Dietary sources- tea, fish, water in some areas, supplementary drops, toothpaste |  | 
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