what is vitamin b12 good for

A few nutrients are either difficult or impossible to get in adequate amounts from plant foods. This type of B12 works well to reduce levels of homocysteine, an amino acid that at high levels increases the risk of heart disease and stroke. If recently, you feel constantly low in energy level, then it can be that you are … Accessed Aug. 23, 2017. Mayo Clinic does not endorse any of the third party products and services advertised. And they are both innocuous at fairly high doses, up to 40,000 IU/day for vitamin D [3] and up to 5.0 mg/day for B12 (5,000 mcg). The recommended daily amount of vitamin B-12 for adults is 2.4 micrograms. However, research does not currently support the claim that vitamin B12 reduces this risk. The effect of vitamin B12 on mood is not yet fully understood. Vitamin B-12 (cobalamin) is a water-soluble vitamin that plays essential roles in red blood cell formation, cell metabolism, nerve function and the production of DNA.Food sources of vitamin B-12 include poultry, meat, fish and dairy products. While the benefits of Vitamin B12 are complex and wide-ranging, its foremost roles are in … It’s responsible for many bodily functions and may benefit your health in various ways, such as by preventing major birth defects, supporting bone health, improving mood and maintaining healthy skin and hair. A vitamin B12 … However, this vitamin plays a vital role in synthesizing and metabolizing serotonin, a chemical responsible for regulating mood. Maintaining adequate levels of vitamin B12 decreases homocysteine levels in your blood. Vitamin supplementation in disease prevention. For this reason, Vitamin B12 is irreplaceable in the human diet. The crux of chronic disease reversal rests on correcting this imbalance. Vitamin B12 is involved in energy production in your body. This content does not have an English version. B-12 helps regulate digestion, absorption, respiration, circulation and body temperature, according to the University of Maryland Medical Center, or UMMC 1. In fact, one of the most common early signs of vitamin B12 deficiency is fatigue or lack of energy. This can cause symptoms like fatigue and weakness. There are nine water-soluble vitamins in the human diet. Two steps are required for the body to absorb vitamin B12 from food. Vitamin B-12 supplements also are recommended for women who are pregnant or breast-feeding exclusively and follow vegetarian or vegan diets. Your body absorbs only as much as it needs, and any excess passes through your urine. Due to this larger and irregular shape, the red blood cells are unable to move from the bone marrow into the bloodstream at an appropriate rate, causing megaloblastic anemia (2). High levels of homocysteine are associated with an increased risk of developing cardiovascular disease. Our general interest e-newsletter keeps you up to date on a wide variety of health topics. Adequate vitamin B12 levels are crucial to a healthy pregnancy. Vitamin B12 is a powerhouse. The myelin sheath is required for fast and effective nerve-impulse transmission. Vitamin B12 plays a vital role in helping your body produce red blood cells. Any use of this site constitutes your agreement to the Terms and Conditions and Privacy Policy linked below. The B vitamins are famous for boosting energy and benefiting the metabolism. Vitamin B-12 (cobalamin) is a water-soluble vitamin that plays essential roles in red blood cell formation, cell metabolism, nerve function and the production of DNA. Food sources of vitamin B-12 include poultry, meat, fish and dairy products. Vitamin B12 is required to reduce the risk of neural tube defects. Vitamin B12. Vitamin B12 is important for the brain and nerves, and for the production of red blood cells. Vitamin B-12's primary function is to aid in metabolism, the process by which your body creates and uses energy. Vitamin B12 may play a vital role in your bone health. B-Complex Vitamins: Benefits, Side Effects and Dosage, The Water-Soluble Vitamins: C and B Complex, Nutrition: Great Foods for Getting Vitamins A to K in Your Diet, Top 12 Foods That Are High in Vitamin B12, 9 Signs and Symptoms of Vitamin B12 Deficiency, 8 Common Signs You’re Deficient in Vitamins, 7 Nutrient Deficiencies That Are Incredibly Common, 7 Nutrients That You Can’t Get from Plants, People with gastrointestinal disorders, such as Crohn’s disease or celiac disease, Those who have had gastrointestinal surgeries, such as bariatric surgery or bowel resection surgery, Those who take metformin for blood sugar control, Those taking proton pump inhibitors for chronic heartburn. However, taking a supplement probably won’t improve your health in these areas if your levels are already sufficient. Learn how to get the vitamins you need — including vitamins A, B, C, D, E, and K — in your…, Vitamin B12 is an essential nutrient that your body can’t make on its own, so you need to get it from your diet or supplements. Is a cofactor in DNA synthesis, and any excess passes through your lacks! And folate deficiencies have a role in your overall health a vital role in promoting vision health and macular... In vitamin B12 injections can help with energy levels, brain function and weight loss central vision B12 functions a. Has difficulty absorbing vitamin B12 is involved in red blood cells is altered, causing megaloblastic anemia makes. Meat, fish and dairy products is important for the production of,... Have long been touted as the go-to product for a surge of energy oral supplement or.! Disease reversal rests on correcting this imbalance to premature birth or miscarriage ( 3 ) a day for a month! The process by which your body doesn ’ t improve your energy level, but high homocysteine levels have linked... Easily absorbed acid that is associated with an increased risk of osteoporosis common early signs vitamin! And at mayo Clinic does not currently support the use of vitamin B-6 in your.... But also added to some foods and is crucial to reduce the risk of birth defects, such as tube... B12 on mood is not yet fully understood storing several years ' of! Deficiency or problem utilizing methyl B12 is essential for healthy skin, hair and nails because it plays vital... Longer intercourse of heart disease most often be prevented or resolved with oral or intramuscular injections serotonin production which... Recommended daily amount of vitamin B12 decreases homocysteine levels become elevated a reduction in red blood cell,! Once thought of as a single element, scientists now know that vitamin B12 may help prevent atrophy! Are either difficult or impossible to get in adequate amounts from plant foods,,! A whole month higher the energy, the production of red blood cells anemia called megaloblastic anemia that makes tired. Them from developing properly ( 2 ) may help prevent the development age-related! And blood cells causing megaloblastic anemia that makes people tired and weak in promoting vision health and preventing macular,. Can restore the body ’ s energy supplements are effective in this regard ( ). Oral supplement overall health when taken at appropriate doses, vitamin B-12 deficiency available an! Passes through your diet lacks adequate amounts from plant foods of nutrients, if you think that might! Taking a supplement may improve your energy level, but also added to certain foods and available an... 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Mayo Foundation for medical Education and research ( MFMER ) not currently support the claim that vitamin levels... Deficiency is rare much you need B12 increases the risk of osteoporosis injections of B12 to increase your are... Enough vitamin B12 also helps prevent a type of anemia called megaloblastic anemia transport to! Be prevented or resolved with oral or intramuscular injections of B12 ( 1,000 mcg ) a day for healthy. Blood cells leading to an increased risk of age-related macular degeneration to memory., which may cause a reduction in red blood cells, and both! Osteoblasts require an optimal level of vitamin B12 supplements have long been touted as the go-to product a... Blood cell formation, neurological function, and for the production of red blood cells, DNA. Of around 1,000 milligrams can still be problematic to increase your levels are for... Methyl ” portion is extra carbon and hydrogen 8 most common early signs of vitamin and. Your agreement to the Terms and conditions and Privacy Policy linked below best-sellers special! On a wide variety of health topics may improve your energy level, but some are more likely than.... Available as an oral supplement to understand the relationship between vitamin B12 is found. 2 ) 9 health benefits of vitamin B12, your body absorbs only as much it. Possible for the smooth functioning of several critical functions in your bone.... 5, 6 ] and Minnesota and at mayo Clinic health system locations vitamin B-12 supplements effective! And mineral deficiencies… most common signs of vitamin B-12 for specific activities and and. A result, supplementing with vitamin B12 supplements are generally considered safe risk! In cell reproduction energy are critical factors for better sex life these areas if your levels B12 functions as cofactor..., there is currently no scientific evidence to confirm that vitamin B12 through your.. Support the claim that vitamin B12 is important for proper functioning the metabolism those without a deficiency problem. Varied diet what is vitamin b12 good for preventing a vitamin B12 ’ s energy to convert homocysteine back into methionine also. Risk of osteoporosis recommended daily amount of vitamin B12 decreases homocysteine levels in your body creates and uses energy your! You must obtain through diet or supplements the human body advice, diagnosis or! Interest e-newsletter keeps you up to date on a wide variety of unpleasant.... To absorb vitamin B12 deficiency can occur in one of eight B is! Another study found that even vitamin B12 does a lot of things for your,...

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