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It helps support nerve health, energy metabolism, and proper functioning of the nervous system

Some people are far more likely to run low on B12: Vegans and vegetarians, since B12 comes mainly from animal foods Older adults, because we absorb B12 less efficiently with age People with Crohn's, celiac, or other digestive conditions Anyone who has had gastric bypass or bowel surgery People taking metformin, antacids, or acid reducers long term Heavy alcohol users How B12 injections support weight loss Here is the honest version: B12 is not a fat-burning drug, and a shot will not melt away pounds on its own

However, research performed by doctors explains that when people can properly absorb and store vitamin B12, it is stored within the body for between 3 to 5 years

Other common side effects of B12 injections include: Diarrhea Headache Swelling (and not only at the site of the injection) If you experience any uncommon side effects, such as chest pain or hives, contact your health care provider immediately

Make sure any clinic you choose uses pharmaceutical-grade B12 and is staffed by licensed medical professionals