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Thiamine deficiency is a medical condition of low levels of thiamine (vitamin B 1). [1] A severe and chronic form is known as beriberi. [1] [7] The name beriberi was possibly borrowed in the 18th century from the Sinhalese phrase බැරි බැරි (bæri bæri, “I cannot, I cannot”), owing to the weakness caused by the condition.
Dietary supplements containing all eight are referred to as a vitamin B complex. Individual B vitamins are referred to by B-number or by chemical name, such as B 1 for thiamine, B 2 for riboflavin, and B 3 for niacin, [1] [2] while some are more commonly recognized by name than by number, such as pantothenic acid (B 5), biotin (B 7), and folate ...
Thiamine, also known as thiamin and vitamin B 1, is a vitamin – an essential micronutrient for humans and animals. [1] [3] [4] It is found in food and commercially synthesized to be a dietary supplement or medication. [1] Phosphorylated forms of thiamine are required for some metabolic reactions, including the breakdown of glucose and amino ...
Vitamin B 1 analogues are analogues of vitamin B 1, thiamine. They typically have improved bioavailability relative to thiamine itself, and are used to treat conditions caused by vitamin B 1 deficiency. These conditions include beriberi, Korsakoff's syndrome, Wernicke's encephalopathy and diabetic neuropathy.
this disease may even occur in some people with normal, or even high blood thiamine levels, or people with deficiencies in intracellular transport of this vitamin. [11] Selected genetic mutations, including presence of the X-linked transketolase-like 1 gene, SLC19A2 thiamine transporter protein mutations, and the aldehyde dehydrogenase-2 gene ...
Common, most foods do not contain vitamin D, indicating that a deficiency will occur unless people get sunlight exposure or eat manufactured foods purposely fortified with vitamin D. Vitamin D deficiency is a known cause of rickets, and has been linked to numerous other health problems. [46] [47] Vitamin E deficiency
High levels of niacin, an essential B vitamin, may raise the risk of heart disease by triggering inflammation and damaging blood vessels, according to new research. The report, published Monday in ...
Transketolase activity decreases due to thiamine deficiency, generally due to malnutrition. Several diseases are associated with thiamine deficiency, including beriberi , biotin-thiamine-responsive basal ganglia disease (BTBGD) , [ 5 ] Wernicke–Korsakoff syndrome , and others (see thiamine for a comprehensive listing).