what do vitamin b12 injections do Vitamin B12 Injections: What You

Also theres a possibility that the needle hit a larger blood vessel which has bled into the muscle thus causing pain and stiffness

Worked great

Your body is working overtime during pregnancy growing a new human requires more of almost every nutrient, including B12

The skin is the bodys first defense against infection, so clean the injection site too (with an alcohol swab or soap)

Improved Insulin Sensitivity Fourth, NNMT inhibition improves insulin sensitivity and glucose metabolism through multiple mechanisms including increased NAD+ and SIRT1 activity, reduced adipose tissue inflammation, and improved mitochondrial function