Vitamin A: Beta-Carotene/Retinol
CLASS: 
Fat soluble vitamin
ROLE:VisionCell integrityAntioxidantimmunity
SOURCES: Carotene: yellow/green fruit and vegetablesRetinol: Fish and dairy products, liver
RECOMMENDED DAILY INTAKE (RDI): 750 micrograms
DEFICIENCY STATE: Night blindnessInfections?some cancers
OVERDOSE STATE: Acute Toxicity Syndrome is occasionally fatalSkin dryness and peelingNosebleedsDyspepsiaheadache
RISKS: Liver diseaseAlcoholicsFat malabsorption syndrome: pancreas and liver disease, coeliacdiseaseAborigines
DIAGNOSIS: Blood tests
OTHER NUTRIENT INTERACTIONS: ProteinZinc