tired after b12 injection Why do I feel worse a injection? is it normal to feel

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We also make sure that you are getting the highest quality by sourcing our products at partner 503A FDA registered pharmacies in the United States

It is advised that you receive guidance from a trained professional before attempting to do this independently

The inherent toxicity of the aminoglycosides limit their systemic use to serious infections when there is either a documented lack of susceptibility to other less toxic antibiotics or when the clinical situation dictates immediate treatment of a presumed gram negative infection before culture and susceptibility results are reported

If symptoms persist, consult your healthcare professional