do vitamin b12 injections hurt Injecting What happens when you inject B12? B12 Injections in Cresskill NJ
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2 PMC (2024)NNMT inhibition mitigates obesity-related metabolic dysfunctions in animal models

Individuals with gastrointestinal disorders that affect nutrient absorption, such as Crohns disease or celiac disease

But that peripheral-only action means it does not suppress appetite, does not change energy expenditure through central pathways, and does not produce the dramatic caloric deficits that GLP-1 agonists like semaglutide or tirzepatide create
Adults over 50, vegetarians and vegans, and people with gastrointestinal issues may need to take vitamin B12 supplements to avoid deficiency
