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Vitamins and their daily requirement

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Vitamins daily requirement and problems associated with vitamin deficiency. 

Type of vitamin
Required Daily Intake
Problems Associated with Deficiency
Vitamin A (Retinoids)
900 µg
Night blindness and keratomalacia
Vitamin B1 (Thiamine)
1.2 mg
Beriberi
Vitamin B3 (Niacin, niacinamide)
16.0 mg
Pellagra
Vitamin B5 (Pantothenic acid)
5.0 mg
Parethesia
Vitamin B6 (Pyridoxine, pyridoxamine, and pyridoxal)
1.3-1.7 mg
Vitamin B7 (Biotin)
30.0 µg
Dermatitis, enteritis
Vitamin B9 (Folic acid)
400 µg
Birth defects
Vitamin B12 (Cyanocobalamin)
2.4 µg
Megaloblastic anemia
Vitamin C (Ascorbic acid)
90.0 mg
Scurvy
Vitamin D (Ergocalciferol, calciferol)
5.0–10 µg
Rickets and osteomalacia
Vitamin E (Tocopherol, tocotrienols)
15.0 mg
Hemolytic anemia
Vitamin K (Phylloquinone)
120 µg
Bleeding diathesis

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Written by: Healthplus24 team
Date last updated: April 07, 2013

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