Main Reaction: Homocysteine + 5-CH3-tetrahydrofolate >> tetrahydrofolate + Methionine

Reference: PubMed ID: 26558284
Authors: Meng B, Gao W, Wei J, Pu L, Tang Z, Guo C
Title: Quercetin Increases Hepatic Homocysteine Remethylation and Transsulfuration in Rats Fed a Methionine-Enriched Diet.
Published: 2015

Homocysteine + 5-CH3-tetrahydrofolate --> tetrahydrofolate + Methionine