B1 (Thiamin)

Micronutrient Role
Coenzyme
Metabolism of Carbs, amino acids and fatty acids
Membrane and Nerve conduction- transmits nerve impulses with sodium channels
Synthesis of ATP
GTP
Nucleic Acids
NADP
Mitochondrial reactions

Recommended intake
Females- 1.1 mg
Males-1.2 mg

Deficiency
Dry Beriberi (Nervous, burning feet, abnormal reflexes, decrease sensation)
Wet Beriberi (Cardiac compromise)
Cerebral Beriberi- (Abnormal eye movement, stance and gait, mental function)
Gastrointestinal Beriberi- accumulation of lactate (lactic acidosis): nausea, vomiting, severe abdominal pain
Chronic alcohol consumption is leading cause of deficiency
Increased requirement if you experience strenuous physical exertion,fever, pregnancy, breast-feeding, adolescent growth, Malaria, HIV/AIDS, excessive weight loss