what is the side effects of b12 injections Vitamin & Reactions · PA Relief B12 injection side effects :

Initiate therapy with furosemide and spironolactone Order a transthoracic echocardiographic examination Start cefotaxime 2 g intravenously every 8 hours Order an upper endoscopic examination for variceal screening VI.29

Your cells will have immediate access to the vitamins, something that doesnt happen that fast with pills

However, some people do experience side effects

storage at ambient temperature in darkness is recommended Precautions & Notes Stability may be affected by light, heat, and extreme pH Experimental outcomes depend on concentration, model system, and formulation Appropriate controls are recommended for enzymatic and cellular assays Intended strictly for laboratory research use