can you buy vitamin b12 injections over the counter Injection: Energy Boost and Anemia Treatment — Mountainside Medical Buy Vitamin B12 Injections, 2000mcg
Description
A provider might schedule them every other day or a few times a week for a short period, typically one to two weeks , depending on how low your levels are

Yang, X

This essential vitamin is administered via injection, bypassing the digestive system to quickly enter your bloodstream for maximum absorption and nearly instant results

This implies that in low B12, FA (palmitate) utilization for energy metabolism by the mitochondria is significantly reduced