• What is L-methylfolate?

  • It's the active form of folate that your body can use directly, without needing conversion by the MTHFR enzyme.

• What does it do?

  • L-methylfolate is crucial for DNA synthesis, red blood cell production, and regulating neurotransmitters, which are chemicals that affect mood and brain function.

• Prescription Form:

  • Sold as Deplin®, it's used as an adjunct therapy for depression, especially helpful for people with MTHFR gene variants who can't efficiently convert folic acid to its active form.

• Typical Dosages:

  • General supplementation: 400 mcg – 1 mg per day.

  • MTHFR mutation support: 1–5 mg per day, under medical supervision.

  • Depression adjunct (Deplin®): 7.5–15 mg per day, available by prescription.

• Is L-methylfolate safe?

  • Yes, L-methylfolate is generally safe and well-tolerated. It doesn't cause more side effects than taking antidepressants alone. Some mild side effects can include tiredness, nausea, dizziness, trouble sleeping, and constipation, but these are not more common than with antidepressants.

• Who can benefit from L-methylfolate?

  • People with low folate levels or problems processing folate might find L-methylfolate especially helpful. It helps your body make important brain chemicals that affect mood, which can improve how well antidepressants work.

• How does L-methylfolate help with depression?

  • L-methylfolate can help improve symptoms of depression and overall well-being, even for those who haven't fully responded to other treatments. Many people report feeling better and are satisfied with using L-methylfolate alongside their regular depression treatment.

References:

Al Maruf A, Poweleit EA, Brown LC, Strawn JR, Bousman CA. Systematic review and meta-analysis of L-methylfolate augmentation in depressive disorders. Pharmacopsychiatry. 2022;55(3):139-147. https://doi.org/10.1055/a-1681-2047

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