b12 injections how many mcg Vitamin Injection: Energy Boost and Anemia Treatment — Mountainside Medical Compounded Cyanocobalamin (Vitamin B12) Injection
Description
(PubMed) Termanini B, Gibril F, Sutliff VE, Yu F, Venzon DJ, Jensen RT

Methylation SNPs Another downside to cyanocobalamin is that it may not be helpful for individuals who have methylation difficulties and/or absorption concerns
Frequency and Follow-Up Injections may be given weekly or monthly depending on your individual needs

Methionine injection, USP [Prescribing information]
