Vitamin b12 1000 mcg2/25/2023 ![]() Metformin, a common diabetes medication, is also associated with B12 deficiency. Some medications, especially those aimed to treat gastroesophageal reflux disease (GERD), reduce stomach acid content which can increase risk for B12 deficiency. 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. Bariatric surgeries such as the roux-en-y gastric bypass put patients at risk for B12 (among other nutrient) deficiency. ![]() People who have had bariatric surgery.People with digestive disorders affecting the stomach and small intestine such as Crohn’s, small intestinal bacterial overgrowth (SIBO), H.Pylori, and Celiac disease may not be able to properly absorb B12. People with certain digestive disorders or illnesses.If there is not enough stomach acid, the B12 cannot combine with intrinsic factor in the stomach, and this step is needed to absorb B12 in the small intestine. People over the age of 65 may have lower levels of stomach acid, which is required to break down and absorb B12. This is because many sources are animal based, and the nutrient isn’t always easy to get enough of on a plant-based diet,” says Amy Gorin, MS, RDN, an inclusive plant-based dietitian in Stamford, CT and owner of Plant Based with Amy. “Many vegans and vegetarian eaters don’t take in enough vitamin B12. The following groups of people are at risk for deficiency, and may benefit from a supplement. Are B12 Supplements Beneficial?ī12 supplements are helpful in treating and preventing those with a deficiency. Best B-Complex: Designs for Health B-Supreme is NSF certified and contains other B-vitamins, which may be helpful for someone with multiple deficiencies or higher nutrient needs.Īlways speak with a healthcare professional before adding a supplement to your routine to ensure that the supplement is appropriate for your individual needs and which dosage to take.Best Overall: Nature’s Made Sublingual B-12 1,000 mcgis a USP verified supplement that dissolves in the mouth, making it a good choice for anyone with deficiency, including those that have lower rates of absorption in the gut.To compile our list of top B12 supplements, our dietitian (who works with many plant-based eaters in her practice) consulted trusted experts in the field and carefully examined the different supplements on the market including ingredients, form, dose, company reputability, and third party testing. Because of this, it's helpful to check the B12 levels in other supplements you’re taking if you are thinking of adding a separate B12 supplement. ![]() ![]() ![]() You can find B12 as an individual supplement, as part of a B-complex supplement alongside other B-vitamins, and in certain multivitamins, including prenatal vitamins. Knowing your baseline will also help a healthcare professional determine the best form and dose for repleting your stores if you’re deficient. The two most common forms of B12 found in supplements are cyanocobalamin and methylcobalamin. “Your healthcare provider can check your B12 levels, but it is not part of routine blood work, so if you are concerned, ask for it specifically,” recommends Amanda Lane, MS, RDN, CDCES. The best way to know if you need a B12 supplement is to have your levels checked. Additionally, “people over 60 or those that have any type of digestive disorder may not absorb B12 efficiently, and a supplement may be needed even if you do eat a diet that contains B12.” Supplements may also be helpful for people who have had GI or bariatric surgeries, or have certain medical conditions that can affect the body’s ability to metabolize and absorb B12. However, anyone following a mostly plant-based diet or vegan diet may need a supplement to get enough. Most people who eat a varied diet including animal foods like meat, fish, eggs, and poultry get enough B12 through food. ![]()
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