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Vitamin B1 Test

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About Our Vitamin B1 Test

Vitamin B1, also called thiamine, has a wide spectrum of uses including metabolic reactions and forming adenosine triphosphate (ATP), an energy source every cell type in the body uses.


Deficient B1 levels can lead to:

  • Beriberi- a disease that causes heart damage, loss of mental alertness, and trouble breathing
  • Fatigue
  • Irritability
  • Depression
  • Abdominal discomfort
  • Difficulty digesting carbohydrates
  • Cataracts

Major sources of vitamin B1 are:

  • Yeast
  • Fortified cereal grains
  • Nuts
  • Beans and legumes
  • Pork and organ meats

Vitamin B1 deficiency can be more prevalent in people who are:

  • Alcoholics
  • Anorexic
  • Living with digestive disorders like Crohn's disease or celiac disease
  • Undergoing kidney dialysis

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