Main Reaction: Methylcobalamin >> Phosphatidylcholine + ethanolamine >> Choline + Acetylcholine >> Acetylcholine

Reference: PubMed ID: 9462456
Authors: Honda K, Riehl J, Inoué S, Mignot E, Nishino S
Title: Central administration of vitamin B12 aggravates cataplexy in canine narcolepsy.
Published: 1997 Dec 22

Methylcobalamin >> Phosphatidylcholine + ethanolamine >> Choline + Acetylcholine >> Acetylcholine