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B1 - Thiamine

What is it?

Thiamine is a vitamin, also called vitamin B1. Vitamin B1 is found in many foods including yeast, cereal grains, beans, nuts, and meat. It is often used in combination with other B vitamins, and found in many vitamin B complex products. Vitamin B complexes generally include vitamin B1 (thiamine), vitamin B2 (riboflavin), vitamin B3 (niacin/niacinamide), vitamin B5 (pantothenic acid), vitamin B6 (pyridoxine), vitamin B12 (cyanocobalamin), and folic acid. However, some products do not contain all of these ingredients and some may include others, such as biotin, para-aminobenzoic acid (PABA), choline bitartrate, and inositol.

People take thiamine for conditions related to low levels of thiamine (thiamine deficiency syndromes), including beriberi and inflammation of the nerves outside the brain (peripheral neuritis) associated with pregnancy or with a vitamin-deficiency disease called pellagra.  Thiamine is also used for digestive problems including poor appetite, ulcerative colitis, and ongoing diarrhea.

Thiamine is also used for AIDS and boosting the immune system, diabetic pain, heart disease, alcoholism, aging, a type of brain damage called cerebellar syndrome, canker sores, vision problems such as cataracts and glaucoma, motion sickness, and improving athletic performance. Other uses include preventing cervical cancer and progression of kidney disease in patients with type 2 diabetes.  Some people use thiamine for maintaining a positive mental attitude; enhancing learning abilities; increasing energy; fighting stress; and preventing memory loss, including Alzheimer's disease.  Healthcare providers give thiamine shots for a memory disorder called Wernicke's encephalopathy syndrome, other thiamine deficiency syndromes in critically ill people, alcohol withdrawal, and coma.

How effective is it?

Natural Medicines Comprehensive Database rates effectiveness based on scientific evidence according to the following scale: Effective, Likely Effective, Possibly Effective, Possibly Ineffective, Likely Ineffective, Ineffective, and Insufficient Evidence to Rate.

The effectiveness ratings for THIAMINE (VITAMIN B1) are as follows:

 

Effective for...

  • Treatment and prevention of thiamine deficiency, including a specific disorder called Wernicke-Korsakoff syndrome (WKS) that is related to low levels of thiamine (thiamine deficiency) and is often see in alcoholics. Between 30% and 80% of alcoholics are believed to have thiamine deficiency. Giving thiamine shots seems to help decrease the risk of developing WKS and decrease symptoms of WKS during alcohol withdrawal.
  • Correcting problems in people with certain types of genetic diseases including Leigh's disease, maple syrup urine disease, and others.

Possibly effective for...

  • Preventing kidney disease in people with type 2 diabetes. Developing research shows that taking high-dose thiamine (100 mg three times daily) for three months significantly decreases the amount of albumin in the urine in people with type 2 diabetes. Albumin in the urine is an indication of kidney damage.
  • Preventing cataracts.

Possibly ineffective for...

  • Repelling mosquitos. Some research shows that taking B vitamins, including thiamine, does not improve mosquito repellency.

Insufficient evidence to rate effectiveness for...

  • Preventing cervical cancer. Some research suggests that increasing intake of thiamine from dietary and supplement sources, along with other folic acid, riboflavin, and vitamin B12, might decrease the risk of precancerous spots on the cervix.
  • Improving athletic performance.
  • Poor appetite.
  • Ulcerative colitis.
  • Chronic diarrhea.
  • Stomach problems.
  • Brain conditions.
  • AIDS.
  • Heart disease.
  • Alcoholism.
  • Stress.
  • Aging.
  • Canker sores.
  • Other conditions.
More evidence is needed to rate thiamine for these uses.

How does it work?


Thiamine is required by our bodies to properly use carbohydrates.

Are there safety concerns?


Thiamine is LIKELY SAFE when taken by mouth in appropriate amounts, although rare allergic reactions and skin irritation have occurred. It is also LIKELY SAFEwhen given appropriately intravenously (by IV) by a healthcare provider. Thiamine shots are an FDA-approved prescription product.

Thiamine might not properly enter the body in some people who have liver problems, drink a lot of alcohol, or have other conditions.

Special precautions & warnings:

Pregnancy and breast-feeding: Thiamine is LIKELY SAFE for pregnant or breast-feeding women when taken in the recommended amount of 1.4 mg daily. Not enough is known about the safety of using larger amounts during pregnancy or breast-feeding.

Are there interactions with medications?


It is not known if this product interacts with any medicines.

Before taking this product, talk with your health professional if you take any medications.

 

Are there interactions with herbs and supplements?


Areca
Areca (betel) nuts change thiamine chemically so it doesn't work as well. Regular, long-term chewing of betel nuts may contribute to thiamine deficiency.

 

Horsetail
Horsetail (Equisetum) contains a chemical that can destroy thiamine in the stomach, possibly leading to thiamine deficiency. The Canadian government requires that equisetum-containing products be certified free of this chemical. Stay on the safe side, and don't use horsetail if you are at risk for thiamine deficiency.

 

Are there interactions with foods?


Coffee and tea
Chemicals in coffee and tea called tannins can react with thiamine, converting it to a form that is difficult for the body to take in. This could lead to thiamine deficiency. Interestingly, thiamine deficiency has been found in a group of people in rural Thailand who drink large amounts of tea (>1 liter per day) or chew fermented tea leaves long-term. However, this effect hasn't been found in Western populations, despite regular tea use. Researchers think the interaction between coffee and tea and thiamine may not be important unless the diet is low in thiamine or vitamin C. Vitamin C seems to prevent the interaction between thiamine and the tannins in coffee and tea.

 

Seafood
Raw freshwater fish and shellfish contain chemicals that destroy thiamine. Eating a lot of raw fish or shellfish can contribute to thiamine deficiency. But cooked fish and seafood are OK. They don't have any affect on thiamine, because cooking destroys the chemicals that harm thiamine.

 

What dose is used?


The following doses have been studied in scientific research:

BY MOUTH:
  • For adults with somewhat low levels of thiamine in their body (mild thiamine deficiency): the usual dose of thiamine is 5-30 mg daily in either a single dose or divided doses for one month. The typical dose for severe deficiency can be up to 300 mg per day.
  • For reducing the risk of getting cataracts: a daily dietary intake of approximately 10 mg of thiamine.
As a dietary supplement in adults, 1-2 mg of thiamine per day is commonly used. The daily recommended dietary allowances (RDAs) of thiamine are: Infants 0-6 months, 0.2 mg; infants 7-12 months, 0.3 mg; children 1-3 years, 0.5 mg; children 4-8 years, 0.6 mg; boys 9-13 years, 0.9 mg; men 14 years and older, 1.2 mg; girls 9-13 years, 0.9 mg; women 14-18 years, 1 mg; women over 18 years, 1.1 mg; pregnant women, 1.4 mg; and breast-feeding women, 1.5 mg.

BY INJECTION:
  • Healthcare providers give thiamine shots for treating and preventing symptoms of alcohol withdrawal (Wernicke-Korsakoff syndrome).

Other names

Aneurine Hydrochloride, Antiberiberi Factor, Antiberiberi Vitamin, Antineuritic Factor, Antineuritic Vitamin, B Complex Vitamin, Chlorhydrate de Thiamine, Chlorure de Thiamine, Complexe de Vitamine B, Facteur Anti-béribéri, Facteur Antineuritique, Hydrochlorure de Thiamine, Mononitrate de Thiamine, Nitrate de Thiamine, Thiamine Chloride, Thiamine HCl, Thiamine Hydrochloride, Thiamin Mononitrate, Thiamine Mononitrate, Thiamine Nitrate, Thiaminium Chloride Hydrochloride, Tiamina, Vitamin B1, Vitamin B-1, Vitamina B1, Vitamine Anti-béribéri, Vitamine Antineuritique, Vitamine B1.

BUICED PROVIDES 1.5 MG which is 100%DV