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Vitamin B12: Cyanocobalamine



Vitamin B12: Cyanocobalamine



CLASS: Water soluble vitamin

ROLE:Red Blood Cell MaturationNerve cell integrityStored in liver

SOURCES: Animal foodsDairy productsYeast

RECOMMENDED DAILY INTAKE (RDI): 2 micrograms

DEFICIENCY STATE: Tiredness, weakness, lethargySore tongueAnaemiaSpinal cord diseaseDementiaSensory loss

OVERDOSE STATE: May produce Iron or Folate deficient Anaemia

RISKS: Gastrointestinal diseaseliver diseaseVegetarianismElderlyPsychiatric in-patientsSmokersMedication: colchicine (for gout), cholestyramine (for high cholesterol)

DIAGNOSIS: Blood tests

OTHER NUTRIENT INTERACTIONS: Folate