Homocysteine is really a non-protein amino acid that's created from methionine, may be recycled back again into methionine and converted into cysteine from the methylation cycle. Mutations inside the FOLH1 gene may also end in diminished folate levels as a result of impaired absorption of folate in the gut [36]. https://methylation10753.amoblog.com/details-fiction-and-vitamin-b12-52401065