msds vitamin b12 injections B12 Injection (Cyanocobalamin) Vitamin B12 Injection5000 mcg/mL Injectable
Description
References Quality & Purity This product is synthesized via solid-phase peptide synthesis (SPPS) and tested to 99% purity by HPLC with identity confirmed by mass spectrometry

[DOI] [PMC free article] [PubMed] [Google Scholar] Middleton 1985 Middleton J, Wells W

This is definitely NOT the case

For instance, alcohol inhibits nutrient absorption, especially for B vitamins

5-Amino-1MQ falls somewhere in this spectrum, but where exactly remains unknown