J Endocrinol Invest 47 , 26712678 (2024)
[118] Methionine synthase [edit] Methionine synthase, coded by MTR gene, is a methyltransferase enzyme which uses the MeB 12 and reaction type 2 to transfer a methyl group from 5-methyltetrahydrofolate to homocysteine, thereby generating tetrahydrofolate (THF) and methionine
If a vial has frozen accidentally, discard it
Low energy levels can hold you back from performing your best, and a Vitamin B12 deficiency might be the hidden culprit
Vitamin B12 has a good safety profile, but some important considerations include rare hypersensitivity reactions (including anaphylaxis) with injections, potential hypokalaemia during early treatment of severe deficiency, and possible cutaneous reactions
Family history: Genetics may play a role