Ökopharm > Health > Ökopedia > Vitamin B1

Vitamin B1 - the memory vitamin - thiamin

Vitamin B1 provides the decomposition of carbohydrates...
Vitamin B1 is important in the metabolism of carbohydrates. Carbohydrates are split up into the smallest utilisable units – into glucose. Our nerves and the brain are dependent on a continuous supply with glucose. If vitamin B1 is missing, the decomposition of carbohydrates may be deficient. This as a consequence may lead to lassitude, fatigue and excitability.
Memory, learning aptitude and concentration are closely related to vitamin B1, because vitamin B1 also provides the generation of the nerve-messenger acetylcholine. Only with sufficient vitamin B1 the transfer of nerve-signals is working optimally. What about your retentiveness? 
Alcohol, the vitamin B1 robber…
If you drink alcohol, your body has to decompose it again. In doing so great quantities of vitamin B1 are utilised. If enough vitamin B1 is missing, lack of concentration and disturbance of memory may occur. Besides alcohol also the taking of antacids, which we get administered when suffering from acidic stomach and gastritis, as well as caffeic acid and tannin, which is found in tea, inhibit the absorption of vitamin B1. Sulphur dioxide, which is used for the drying of fruits, and the continuous consumption of sushi also make sure that vitamin B1 is absorbed insufficiently.
As vitamin B1 can be found mainly in wholemeal products, deficiencies are very fequent. Think about our youngsters, who very likely refuse all kinds of healthy food and rather eat sweets and hamburgers. No wonder – learning disability, deficiency in concentration and also bilious attitude are classical deficiency syndromes. Therapeutically applied is vitamin B1 also in ravenous appetite attacks, multiple sklerosis and Alzheimer's disease. Especially older people should make sure that they have an adequate supply of vitamin B1. Stress and increased physical exercise need a lot of vitamin B1. Headaches, nausea or tingling in the hands can indicate a vitamin B1 deficiency.
Due to the high turnover and to the low possibillities of storage vitamin B1 has to be supplied continuously. Vitamin C and citric acid, which can be mainly found in citrus fruits, protect vitamin B1 from damage.
Literature: Gesund durch ausreichend Vitamine, Mineralstoffe & Spurenelemente, Nährstoff-Akademie Salzburg; ISBN: 3-902472-00-6


RDA* 1.1 mg
Nutritional/medical dosage 1 - 200 mg
*RDA = Recommended daily allowance  

Vitamin B1 - sources

  mg/100g 1,4 mg corresponds to:
wheat germs 2,0 60 g = 5 tablespoonfuls
Sunflower seeds 1,96 62 g = 3 tablespoonfuls
yeast 1,00 120 g = 2 3/4 cubes
pork 0,84 143 g = 1 small portion
peanuts 0,63 190 g = 380 pieces
oat bran 0,59 203 g = 20 tablespoonfuls
peas, green 0,32 375 g = 2 1/2 portions