vitamin b12 and b6 injections B1, B2, & Vitamin Injections, B12, B complex
Description
Metabolism and epigenetics
Some of the neurological complications result from defective myelin synthesis and repair, and not all are reversible

It looks like severe swelling, redness, and pain at the injection site are known possible reactions
J Clin Endocrinol Metab 89 : 39563964 Yuen K et al
