Citrus Compound Hesperidin Protects Trigeminal Nerve and Reduces CGRP in Migraine Model | Research

The takeaway

Hesperidin (a citrus flavonoid) protected against trigeminal nerve damage and reduced CGRP levels in a nitroglycerin-induced migraine model, suggesting a natural approach to CGRP modulation.

Natural CGRP reduction
Citrus-derived hesperidin reduced CGRP and protected trigeminal nerves in a migraine model — natural modulation of the same target as expensive antibody drugs

What the researchers found

Hesperidin protected against trigeminal nerve damage and reduced CGRP levels in an NTG-induced migraine model, demonstrating a natural compound that modulates the CGRP migraine pathway.

Why it matters

CGRP antibodies cost thousands per year. If natural compounds like hesperidin can reduce CGRP and protect trigeminal nerves, they could provide accessible, affordable complementary migraine management.

The numbers in context

C57BL/6j mice used. Nitroglycerin (NTG) was used to induce the migraine model. TRPV1 channel was the primary target analyzed.

How the study worked

NTG (nitroglycerin)-induced migraine mouse model treated with hesperidin. Assessed trigeminal nerve histology, CGRP levels, and migraine behavioral markers.

Who was studied

C57BL/6j mice with nitroglycerin-induced migraine

What this study cannot tell us

Mouse migraine model. Hesperidin doses in mice may not translate to human dietary levels. Bioavailability of oral hesperidin is limited. Clinical migraine studies needed.

How to read the evidence

Preliminary evidence: mouse migraine model demonstrating natural compound CGRP modulation. No human migraine data.

When this study was published

Published in 2025. Adds hesperidin to natural CGRP modulators for migraine.

The bigger picture

Natural compounds that modulate CGRP could complement pharmaceutical anti-CGRP drugs. Hesperidin joins a growing list of natural CGRP modulators including magnesium, CoQ10, and riboflavin that may support migraine prevention through dietary or supplement approaches.

Questions still open

Would hesperidin supplementation reduce migraine frequency in clinical trials?
Is the CGRP reduction sufficient for meaningful migraine prevention in humans?
Could hesperidin be combined with CGRP antibodies for enhanced effect?

Common questions

Can citrus fruits help with migraines?

This mouse study shows hesperidin — found in oranges, lemons, and other citrus — reduces CGRP, the key migraine peptide, and protects trigeminal nerves. While human studies are needed, hesperidin supplements are being investigated as natural migraine support.

How does hesperidin compare to CGRP migraine drugs?

CGRP antibodies are far more potent and proven. Hesperidin is a much milder natural modulator. It might work as a complementary approach alongside conventional treatment, but cannot replace proven migraine medications for moderate-to-severe disease.

Read the original research

The effect of hesperidin on trigeminal nerve damage in an NTG-induced migraine model: the role of the TRPV1 channel.

Molecular biology reports, 53(1), 25

View on PubMed ↗Publisher’s paper ↗

Citation

Ahlatcı, Adem; Yıldızhan, Kenan; Keleş, Ömer Faruk; Bayir, Mehmet Hafit; Çınar, Ramazan. (2025). The effect of hesperidin on trigeminal nerve damage in an NTG-induced migraine model: the role of the TRPV1 channel.. Molecular biology reports, 53(1), 25. https://doi.org/10.1007/s11033-025-11194-8