Vitamin B1 is involved in transforming carbohydrates into energy. It is also essential for normal nerve and heart function.
The body stores about 30 mg of vitamin B1 in the muscles and viscera, which is enough to meet the average person's needs for 3 to 4 weeks.
The richest dietary sources of vitamin B1 are lean pork and fortified or whole grain cereals. Seeds, nuts, legumes, potatoes, green peas, pasta and tomatoes are also good sources of vitamin B1.
|Approximate Vitamin B1 Content|
Cooking destroys up to 50% of thiamine contained in food.
Recommended average daily nutrient intake that is sufficient to meet the nutrient requirements of nearly all (97 to 98%) healthy individuals in each age and gender group. The RDA should only be used as a guide for daily individual intake.
|Vitamin B1 Requirements|
Since vitamin B1 is involved in energy production, athletes and people who are very active may have an increased need. These increased needs can be addressed by ingesting more food.
Since vitamin B1 is added to refined grains and flour, deficiencies in Canada are rare.
Alcoholics, however, are at high risk for vitamin B1 deficiency since drinking large quantities of alcohol reduces its absorption. Serious coffee drinkers can also be affected as drinking large quantities of coffee or tea may reduce vitamin B1 stores.
A vitamin B1 deficiency may lead to confusion, weakness, heart failure, edema and sensation disorders.
It also causes beriberi, Wernicke's encephalopathy and Korsakoff syndrome.
No toxicity has been reported.
Unless you have been diagnosed with a vitamin B1 deficiency, supplements are generally not necessary.
Watch what you eat. Nutrition has a significant impact on health!
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The patient information leaflets are provided by Vigilance Santé Inc. This content is for information purposes only and does not in any manner whatsoever replace the opinion or advice of your health care professional. Always consult a health care professional before making a decision about your medication or treatment.