Blu Methyl BBlu Methyl B is a blend of methylated B12, methylfolate, B2 and B6 to support methylation, part of our innate detoxification system. Blu Methyl B also supports mood, cognition, and neuromuscular function. Its speculated that much of the population has some degree of genetic methylation defect, and Blu Methyl B has shown to be bioavailable in reducing homocysteine levels measured through lab testing.