Fig. 1

Metabolic relationship between homocysteine, vitamin B12, and folate. CBS, cystathionine β-synthase; MS, methionine synthase; MTHFR, methylenetetrahydrofolate reductase
Metabolic relationship between homocysteine, vitamin B12, and folate. CBS, cystathionine β-synthase; MS, methionine synthase; MTHFR, methylenetetrahydrofolate reductase