![]() ![]() Pattar GR, Tackett L, Liu P, Elmendorf JS. Beneficial effect of chromium supplementation on glucose, HbA1C and lipid variables in individuals with newly onset type-2 diabetes. Sharma S, Agrawal RP, Choudhary M, Jain S, Goyal S, Agarwal V. Comparison of chromium and iron distribution in serum and urine among healthy people and prediabetes and diabetes patients. National Academies Press (U.S.Zhou Q, Guo W, Jia Y, Xu J. Dietary Reference Intakes for Thiamin, Riboflavin, Niacin, Vitamin B6, Folate, Vitamin B12, Pantothenic Acid, Biotin, and Choline. Standing Committee on the Scientific Evaluation of Dietary Reference Intakes and its Panel on Folate, Other B Vitamins, and Choline.Thiamin Fact Sheet for Health Professionals. (2016, February 1).Drugs and Supplements: Thiamine (Vitamin B1): Evidence.Drugs and Supplements: Thiamine (Vitamin B1). ![]() ![]() You can learn more about how we ensure our content is accurate and current by reading our editorial policy. We link primary sources - including studies, scientific references, and statistics - within each article and also list them in the resources section at the bottom of our articles. Medical News Today has strict sourcing guidelines and draws only from peer-reviewed studies, academic research institutions, and medical journals and associations. Other diseases, such as HIV, can reduce the absorption of nutrients, and this can lead to a deficiency of vitamin B1. People with Wernicke-Korsakoff syndrome and those who are withdrawing from alcohol may receive thiamin injections to help them recover. It is linked to a lack of thiamin, and it can be fatal if not treated. Wernicke-Korsakoff syndrome is a disorder that affects people with chronic alcoholism. People who regularly drink alcohol to excess may have a deficiency, as they may not absorb thiamin from their food. People with poor diet, cancer, “ morning sickness” during pregnancy, bariatric surgery, and hemodialysis are at risk of thiamin deficiency. Pregnant or breastfeeding women of any age should consume 1.4 mg each day. In the U.S., the recommended daily allowance (RDA) of thiamin taken by mouth is 1.2 mg for males and 1.1 mg for females over the age of 18 years. Muscles may become weak, and cardiovascular symptoms can occur, for example, an enlarged heart. There may be mental problems, including confusion and short-term memory loss. It should be part of the daily diet.Ī deficiency of vitamin B1 commonly leads to beriberi, a condition that features problems with the peripheral nerves and wasting. Humans need a continuous supply of vitamin B1, because it is not stored in the body. Cheese, chicken, and apples contain no thiamin. One slice of whole wheat bread contains 0.1 mg, or 7 percent of the daily requirement. The National Institutes of Health (NIH) Office of Dietary Supplements (ODS) note that one serving of fortified breakfast cereal provides 1.5 milligrams (mg) of thiamin, which is more than 100 percent of the daily recommended amount. White rice that is not enriched will contain only one tenth of the thiamin available in brown rice. As vitamin B1 is water-soluble, it dissolves into cooking water. Heating, cooking, and processing foods, and boiling them in water, destroy thiamin. In the United States, people consume around half of their vitamin B1 intake in foods that naturally contain thiamin, while the rest comes from foods that are fortified with the vitamin. Other sources include liver, eggs, brewer’s yeast, and blackstrap molasses.īreakfast cereals and products made with white flour or white rice may be enriched with vitamin B. There are high concentrations of Vitamin B1 in the outer layers and germ of cereals, as well as in yeast, beef, pork, nuts, whole grains, and pulses.įruit and vegetables that contain it include cauliflower, oranges, potatoes, asparagus, and kale. Share on Pinterest Meat, fish, and grains are a good source of Vitamin B1 ![]()
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