31-50 years 
  • 6-11 months
  • 12-23 months
  • 2-3 years
  • 4-8 years
  • 9-13 years
  • 14-18 years
  • 19-30 years
  • ✓
    31-50 years
  • 51 + years
Female 
  • ✓
    Female
  • Male

Not established because there are no reports of vitamin B1 toxicity in humans.