Vitamin B3 (Niacin)
- RDA Male: 19mg, Female: 15mg
 - Deficiency: Pellagra - a disease marked by dermatitis (inflammation of the skin), gastrointestinal disorders, mental disturbances & memory loss
 - Overdosage: Sensory nerve degeneration
 
Vitamin B6 (Pyridoxine)
- RDA Male: 2.0mg, Female: 1.6mg
 - Deficiency: Neuropathy - degeneration of the nerves
 
Vitamin B9 (Folic Acid or Folate)
- RDA Male: 400mcg, Female: 400mcg
 
Vitamin B12 (Cyanocobalamin)
- RDA Male: 2.0mcg, Female: 2.0mcg
 - Deficiency: Pernicious anaemia - a form of anaemia that results when the bone marrow fails to produce adequate numbers of red blood cells
 


