where do you inject a b12 shot Injections at Home - Safety Guide for Self-Administration B12 Injection Therapy in Shoreline

& Wambier, C

It is naturally found in foods such as meat, fish, and dairy

Higher-Caution Situations Extra medical supervision is important if you: have a history of reactions to injectable vitamins/cobalamins have significant kidney or liver disease are pregnant or breastfeeding are offered a compounded MIC B12 product without clear labeling of ingredients, concentrations, and compounding source The FDAs overview of compounding helps explain why quality can vary (see Compounding and the FDA: Questions and Answers )

That said, some people do report positive results from using this peptide

In pernicious anaemia, the immune system mistakenly attacks the gastric parietal cells that produce intrinsic factor, leading to B12 deficiency over time