giving a b12 injection How to self-inject intramuscular vitamin - Overview Safe B12 Injection Guide at

NNMT is overexpressed in adipose tissue and various cancer cell lines, and its inhibition has been studied as a strategy to increase intracellular NAD+ levels, enhance one-carbon metabolism, and reduce adipogenesis in preclinical models

Waterson MJ, et al

People with symptoms of vitamin B12 deficiency It is a good idea for anyone with the following signs and symptoms of a vitamin B12 deficiency or pernicious anemia to consult a doctor: People with gastrointestinal issues Conditions that affect the gastrointestinal tract may affect vitamin B12 release or absorption, including: pernicious anemia, which can lead to gastric atrophy, or damage to the stomach fish tapeworm infestation bowel or pancreatic cancer folic acid deficiency overgrowth of bacteria in the small intestine diabetes thyroid disease Crohns disease celiac disease chronic pancreatitis People who have undergone gastrointestinal surgery, including weight loss, may have fewer cells necessary to secrete stomach acid and intrinsic factor

Clean this area with a fresh alcohol swab and let it dry completely