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Nutrition Resources

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Thiamin


Nutrient description/background:
  • Thiamin also known as vitamin B1 is water soluble
  • It is a fragile nutrient that is easily destroyed by heat
  • Involved in numerous chemical reactions in the body

Nutrient Function(s):
  • Plays a vital role in energy metabolism
  • Converts carbohydrate into energy
  • Involved in nerve membrane function and nerve signal transmission

DRI/RDA:
GenderAgeRDA
Male1-30.5mg/day
 4-80.6mg/day
 9-130.9mg/day
 14 >1.2mg/day
Female1-30.5mg/day
 4-80.6mg/day
 9-130.9mg/day
 14 >1.1mg/day

Food Sources:
  • Meat, especially pork
  • Milk
  • Legumes
  • Whole or enriched grain
  • Yeast
  • Wheat germ
  • Oranges

Indications/Health Claims:
  • Prevent or treats depression
  • Prevent and treats epilepsy
  • Prevent and treats fibromyalgia
  • Prevent and treats multiple sclerosis
  • Reduce symptoms of Crohn's disease
  • Improve cognitive function in individuals with dementia and Alzheimer's disease

Evidence for or against claims:
  • Research indicates that individuals with Alzheimer's disease have biochemical abnormalities in thiamine-dependent enzymes, which aid in memory. Although there is a link between thiamin and Alzheimer's disease there is no conclusive evidence to support or refute any claims.
  • While studies show that thiamin levels are low in people with Crohn's disease, no study shows improvements in symptoms.