KnowraHomocysteineLinked fromLinked fromThe 6 pages that link to Homocysteine, each with the reason it gives.All 6Broader topic 1Related 5Vitamin B12Related: B12-dependent methionine synthase helps recycle it; deficiency can raise its blood concentration.Vitamin B12 deficiencyRelated: B12-dependent remethylation slows in deficiency, often raising homocysteine.Vitamin B6Related: B6-dependent enzymes help convert homocysteine to cysteine.Methylmalonic acidRelated: Its level is often measured alongside methylmalonic acid to help assess B₁₂ deficiency.B vitaminsRelated: Folate, B6, and B12 help metabolize it through distinct biochemical reactions.