vitamin b12 injection pain relief for Cyanocobalamin 1,000 mcg, 25/Box (Rx) — Mountainside Medical Vitamin B12 Injection – Manufacturer
Description
Its relaxing effect eases chronic pain, aids muscle recovery, reduces stress, and improves sleep quality

[8] Serious adverse effects are uncommon

Here are some of them: Older adults

Could too much B12 actually harm the kidneys

GRAS is not drug approval

Food and Drug Administration (FDA) for human consumption or medical use
