Severely crepey necks with badly damaged elastin wont see a dramatic change
Cyanocobalamin is the most used and given in doses from 100 to 1,000 mcg
B12 is important during pregnancy, but dosing should be coordinated
Nonetheless, it should be used within a certain timeframe as recommended by the pharmacy (often 28 days after first puncture, per general guidelines for multi-dose vials, unless otherwise specified)
Your gut has a limited transport system, and once that system is saturated, the rest of the dose relies on passive diffusion, which is very inefficient
If you live in Mount Pleasant, SC, and are seeking a solution to fatigue, consider starting your wellness journey with B12 injections at Cameo Facial Aesthetics