swelling after b12 injection Understanding Vitamin Injections for Peripheral Neuropathy Feeling worse after B12 Injection:
Description
Subcutaneous injections exceeding 0.5mL per site reduce absorption efficiency due to depot formation

Injection site reactions Redness, swelling, or itching at the injection site affects a small percentage of users

J Clin Endocrinol Metab 90 : 65616568 Haluzik M et al

Can Vitamin B12 injections be administered intravenously

Injections produce faster, more reliable results than oral forms for treating true deficiency

(August 2009)
