B12 Injections For Vegetarians and Vegans B12 is in the dairy, meat, and eggs that a lot of people eat
Conversely, some studies show that a deficiency in vitamin B12 may cause appetite loss, potentially leading to weight loss if left untreated ( If youre low or deficient in B12, your healthcare provider will likely recommend oral vitamin B12 supplements or injections to increase your blood levels ( summary Low levels of vitamin B12 can cause megaloblastic anemia, which is characterized by shortness of breath, headaches, and fatigue
The FDA does not verify the safety, effectiveness, or quality of compounded drugs, meaning these products lack the regulatory oversight that ensures consistency and reliability in commercial medications
10.1038/s41416-019-0482-x Br
International Journal of Toxicology , 36(3_suppl), 5S-30S