b12 injection is given where How to Give Yourself a Where to Inject Vitamin B12
Description
Tissue-Repair Research: Early chondrocyte studies suggested proteoglycan synthesis modulation, though evidence is confined to animal and in-vitro work

Gunel G et al

Fothergill, Amy, and Julia Finkelstein

Different countries and laboratories use varying cut-off points

Physical Symptoms Extreme fatigue or weakness

I do wish b12 vials were available in differing doses as maybe more often but less would work better
