vitamin b12 injections and mthfr Hydroxocobalamin vs. Methylcobalamin (B12) for – Methyl-Life® Supplements On-The-Go B12 Injection at enTrust
Description
20 Two popular assays are the commercial MTase-Glo assay (Promega, Inc) and SAH hydrolase (SAHH)-coupled fluorescence assay, where SAH is converted to ADP and homocysteine, respectively

We also saw a case where methyl B12 successfully treated a 32 year-old man suffering from recurrent hypersomnia for 12 years

Does what you say it does

The active peptide degrades silently
[Google Scholar]