why should you avoid alcohol after b12 injection Can I drink a COVID vaccine? Why Do I Feel Worse

Pale Skin and Shortness of Breath People with a B12 deficiency may develop pale skin due to a decrease in red blood cell production, which can also lead to feelings of shortness of breath

B12 shots boost your energy levels by supporting the production of red blood cells and improving oxygen flow throughout your body

This is why injections are a standard medical treatment for conditions like pernicious anemia, malabsorption syndromes, and deficiencies related to gastrointestinal disease or surgery

It is not FDA-approved for general weight loss, but can be used off-label in personalized medicine settings under provider supervision