Hermetica Superfood Encyclopedia
Legacy index-continuity record: the score and narrative are provisional and must not be represented as validated or human-approved.
Review flags: AWAITING_SEMANTIC_VALIDATION
L-methylfolate (5-MTHF) is the bioactive form of folate that crosses the blood-brain barrier and directly participates in one-carbon metabolism. It serves as a methyl donor for neurotransmitter synthesis and DNA methylation reactions without requiring conversion by the MTHFR enzyme.
Reported Benefits (Provisional)
Origin & History
L-Methylfolate (5-MTHF) is the bioactive form of folate, a B-vitamin essential for DNA synthesis and repair. It is produced synthetically or derived from natural sources like leafy greens, using advanced biochemical processes to ensure stability and bioavailability.
Research Narrative (Provisional)
RCTs and meta-analyses highlight L-Methylfolate's role in treating depression, especially in individuals with folate metabolism issues. Its efficacy in reducing homocysteine levels is well-documented.
Preparation & Dosage
Dosage guidance is withheld because the publication gate has not recorded adequate support for this profile.
Nutritional Profile
- Active form of folate, more bioavailable than folic acid. - Contains no calories, fats, or carbohydrates. - Available in doses ranging from 400 mcg to 15 mg.
Reported Mechanism (Provisional)
L-methylfolate functions as a cofactor for methionine synthase, converting homocysteine to methionine and regenerating tetrahydrofolate for continued folate cycling. It directly provides methyl groups for the synthesis of serotonin, dopamine, and norepinephrine via tetrahydrobiopterin-dependent reactions. This active form bypasses the MTHFR enzyme, making it effective even in individuals with MTHFR gene polymorphisms.
Clinical Narrative (Provisional)
Clinical trials with 7.5-15mg daily doses show significant improvements in depression scores, particularly in patients with MTHFR mutations. A 60-week study of 75 patients with major depressive disorder demonstrated 32% greater response rates when L-methylfolate was added to antidepressants compared to placebo. Cardiovascular studies indicate 20-25% reductions in homocysteine levels within 8-12 weeks of supplementation. Evidence is strongest for mood disorders and moderately supported for cardiovascular benefits.
Also Known As
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