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Description
Its not considered an ingredient to avoid by the medical community

Lab Med 12: 732-736, Ledowsky C (2017) The folic acid vs 5-MTHF Debate

The methylation cycle begins in the blood vessels with folate (B9) obtained from diet
However, strongest does not always mean best for every patient
J Cogn Neurosci 26 , 52565264 (2006)

This is often done in clinical settings to ensure higher absorption levels
