where do you inject b12 How to self-inject intramuscular vitamin - Overview B12 vitamin Store how do

According to the NIH Office of Dietary Supplements, functional B12 deficiency is most commonly seen in patients with one or more of the following: Age over 50 stomach acid production declines with age, and stomach acid is required to free B12 from food PPI or H2 blocker use reflux medications suppress the acid needed for B12 absorption Metformin use, which interferes with B12 absorption directly Vegan or vegetarian diets B12 is found almost exclusively in animal products Gut conditions including celiac, IBS, SIBO, and Crohns MTHFR mutations that affect how B12 is metabolized once absorbed Heavy alcohol use The symptoms of low B12 are easy to dismiss: fatigue, brain fog, low mood, tingling in the hands or feet, weakness, and shortness of breath on mild exertion

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Factors that Affect How Long Vitamin B12 Shots Stay In the Body No Vitamin B12 Deficiency If you dont have a vitamin B12 deficiency, most of the vitamin B12 you get through your injection will be absorbed and eliminated quickly through your urine

doi: 10.1038/sj.bjp.0703953

Common Side Effects of B12 Injections Most people do well with Vitamin B12 shots, but some might feel a bit of pain or discomfort where the shot was given