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The truth is people don't have to eat meat or other animal products to survive and thrive. Different animals, plants and other living species have both, common names and scientific names. The most common treatment for pernicious anemia is lifelong vitamin B12 injections, but small amounts of vitamin B12 are absorbed without intrinsic factor. People with this type of anemia often do well with treatment. However, other research shows that the risk of cancer is higher in people with low levels of vitamin B12 or that vitamin B12 levels don’t affect cancer risk. Recent research comparing the two most common forms (methylcobalamin and cyanocobalamin) is limited. The standard method for measuring vitamin B12 in foods measures both active and inactive forms of vitamin B12. Most cases of vitamin B12 and folate deficiency can be easily treated with injections or tablets to replace the missing vitamins. Vitamin B12 deficiency is extremely uncommon in children but can be rarely seen with genetic defects involving vitamin B12 metabolism. There is a common myth that rain contains vitamin B12 because rainwater can pick up microorganisms that produce vitamin B12 as a metabolic byproduct as it falls through the air. Vitamin B12 or folate deficiency anaemia occurs when a lack of either of these vitamins affects the body’s ability to produce fully functioning red blood cells.



Surgery that removes part of the stomach (and the parietal cells) or the intestines may greatly decrease absorption. With pernicious anaemia, antibodies attack parietal cells, reducing intrinsic factor production, or attack intrinsic factor, blocking its action, in either case preventing the efficient absorption of B12. This is related to lower intrinsic factor production, lower stomach acid, and bypassing a part of the small intestine called the duodenum, which is the main site of B12 absorption. Vitamin B12 and folate are both part of the B complex of vitamins. People most at risk for vitamin B12 deficiency include those over the age of 65, vegans and vegetarians (who often don’t eat enough animal products), people who have gastrointestinal diseases like Crohn’s disease or celiac disease, and anyone who has had part of their gastrointestinal tract removed through gastric bypass or another type of surgery, Wright says. It’s ridiculous that carnivore proponents claim that the vegan diet is "socially restrictive" when there are carnivore influencers like Meatrition who promote avoiding all the aforementioned foods. It may be seen sometimes with general malnutrition, and in vegan vegetarians - those who do not consume any animal products including milk and eggs. Herrmann W, Obeid R, Schorr H et al (2009) Enhanced bone metabolism in vegetarians - the role of vitamin B12 deficiency. This a᠎rtic le h as been c᠎reated with the he lp  of GSA᠎ C ontent G᠎en᠎erat​or Demoversi᠎on .



Vegetarians and vegans: "Plant foods do not have B12 unless they are fortified," says Amber Ingram, RD, a registered dietitian at The Ohio State University Wexner Medical Center. Department of Endocrinology, University of Groningen, University Medical Center Groningen, HPC AA31, P.O. Department of Agriculture’s (USDA's) MyPlate. Plant-based diets have a long history around the world and the modern widespread availability of dietary supplements (vitamin B12 most notably) means that a strict vegan diet, properly planned, can be as healthy as any omnivore diets. Tong TYN, Appleby PN, Armstrong MEG et al (2020) Vegetarian and vegan diets and risks of total and site-specific fractures: results from the prospective EPIC-Oxford study. Eye-related issues aren't a frequent symptom of a vitamin B12 deficiency, according to a December 2020 systematic review in the Annals of Medicine and Surgery. NICE (2020) Signs and symptoms | Diagnosis | Anaemia - B12 and folate deficiency | CKS | NICE. This is because although many of the symptoms improve with treatment, some problems caused by the condition can be irreversible. As people age, acid-producing cells in the stomach may gradually cease to function, a condition called atrophic gastritis.

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A deficiency in either vitamin B12 or folate can lead to macrocytic anaemia, where red cells are reduced but macrocytic (abnormally large). Folate deficiency used to be common but with the advent of fortified cereals, breads, and grain products it is less so. You must eat foods that contain vitamin B12, https://www.amazon.com/Vitamin-Gummies-Delicious-Vitamins-Support/dp/B08BW6JLH4/ such as meat, poultry, shellfish, eggs, fortified breakfast cereals, and dairy products. The nutrient occurs naturally in meat, fish, and dairy products, and can be created in a laboratory. 99% meat, but it should not be mistaken as being the same as the carnivore diet. Below are the same tables generated for the whole world (FAOSTAT 2013), mostly equivalent to this great data visualization from Our World In Data. Furthermore, as supply is defined by production and import subtracted by export and changes in stocks, assuming the same balance for the 126 million tonnes of cereals produced, we can estimate that about 11 million hectares of cereal crops out of 18 according to the previous table were used to feed livestock. If you fall short on this vitamin due to following a plant-based diet, try taking a multivitamin or B12 supplement or seek out B12-fortified foods.

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