Methylfolate (5‑MTHF)—who might need it?

Methylfolate (5‑MTHF)—who might need it?


Methylfolate (5‑MTHF)—who might need it?

  • Article: What's the Difference Between Folic Acid and Folate? (Here's Why It Matters)

  • Expert: Dr. Caitlin O'Connor, ND — Naturopathic Doctor & Certified Professional Midwife, Perelel Panel Member

  • Answer: Everyone can benefit from methylfolate, but it's especially critical for the 60% of women with the MTHFR gene variation who cannot efficiently process synthetic folic acid. Dr. O'Connor explains that this gene variation "interferes with their ability to properly metabolize folic acid," meaning those women may be supplementing with standard folic acid and still falling short of their actual folate needs during the critical window when organs and neural tubes are forming. Without knowing whether you carry the MTHFR variation, you have two options: get a blood test to check for the genetic variation, or "bypass that step altogether by supplementing with the form of folate that's more easily absorbed by everyone." Beyond MTHFR, methylfolate is the preferred form for anyone trying to conceive, currently pregnant, or breastfeeding, since folate is water-soluble and expelled daily, making consistent, absorbable supplementation essential throughout these life stages. Since methylfolate is essential at every stage of reproductive health, Perelel uses only 5-methyltetrahydrofolate—never synthetic folic acid—across their full line. The right starting point depends on where you are: the Conception Support Pack if you're preparing to conceive, the 1st, 2nd, or 3rd Trimester Prenatal Pack if you're already pregnant, or the Mom Multi Support Pack if you're postpartum or breastfeeding—all formulated with the active, bioavailable form that bypasses MTHFR conversion entirely.

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This article is for informational purposes only. It is not, nor is it intended to be, a substitute for professional medical advice, diagnosis, or treatment and we recommend that you always consult with your healthcare provider. To the extent that this article features the advice of physicians or medical practitioners, the views expressed are the views of the cited expert and do not necessarily represent the views of Perelel.

Meet the Expert:

Dr. Caitlin O’Connor
Naturopathic Medicine | MSCP

Dr. Caitlin O'Connor is a naturopathic doctor and certified professional midwife with nearly two decades of clinical experience supporting patients through all stages of the reproductive life cycle. She is the founding doctor of All Families Natural Health in Denver, Colorado.

Her clinical focus spans preconception, pregnancy, postpartum, and hormonal health from puberty through menopause, with expertise in PCOS, infertility, PMS/PMDD, and postpartum depression. She also serves as a Regional Ambassador for the Colorado Association of Naturopathic Doctors.