Supplement Forms/Alternate Names :
Principal Proposed Uses
Other Proposed Uses
Vitamin B1, also called thiamin, was the first B vitamin discovered. Every cell in your body needs thiamin to make adenosine triphosphate, or ATP, the body's main energy-carrying molecule. The heart, in particular, has considerable need for thiamin in order to keep up its constant work. Severe deficiency of thiamin results in beriberi, a disease common in the 19th century, but rare today. Many of the principal symptoms of beriberi involve impaired heart function.
Your need for vitamin B
- 0-6 months: 0.2 mg
- 7-12 months: 0.3 mg
- 1-3 years: 0.5 mg
- 4-8 years: 0.6 mg
- 9-13 years: 0.9 mg
- 14 years and older: 1.2 mg
- 14-18 years: 1.0 mg
- 19 years and older: 1.1 mg
- Pregnant or Nursing Women : 1.4 mg
Although vitamin B
Brewer's and nutritional yeast are the richest sources of B
A typical dose of vitamin B1 for therapeutic purposes is 200 mg daily, although much higher dosages have also been tried.
Some nutritional experts recommend taking B
Congestive heart failure
is a condition in which the pumping ability of the heart declines, and fluid begins to accumulate in the lungs and legs. Standard treatment for CHF includes strong "water pills" called
. These drugs, however, deplete the body of B
Other potential uses of thiamin have even less scientific support.
of people with
infection suggest (but definitely do not prove) that increased intake of vitamin B
Interactions You Should Know About
If you are taking:
- EBSCO CAM Review Board
- Reviewed: 12/2015
- Updated: 12/15/2015
Please note, not all procedures included in this resource library are available at Allegiance Health or performed by Allegiance Health physicians.
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