Part 2 of Do broccoli sprouts treat migraines?

To follow up Do broccoli sprouts treat migraines? which used a PubMed “sulforaphane migraine” search, a PubMed “diindolylmethane” search came across a 2020 Czech human cell study Antimigraine Drug Avitriptan Is a Ligand and Agonist of Human Aryl Hydrocarbon Receptor that Induces CYP1A1 in Hepatic and Intestinal Cells that had this informative Introduction:

“The aryl hydrocarbon receptor (AhR) transcriptionally controls a wide array of genes. AhR is a critical player in human physiology (e.g., hematopoiesis) and also in many pathophysiological processes such as diabetes, carcinogenesis, inflammation, infection or cardiovascular diseases.

Suitable candidates for off-targeting AhR could be the antimigraine drugs of triptan class, which have an indole core in their structure. Indole-based compounds were demonstrated as ligands of AhR, including dietary indoles (e.g., indole-3-carbinol and diindolylmethane).”

Adding AhR to the search showed:

Changing the PubMed search to “icz migraine” pulled up a 2013 review Biomedical Importance of Indoles that described sumatriptan as an indole, and:

“Since DIM accumulates in the cell nucleus, it likely contributes to cell nuclear events that have been ascribed to I3C.”

Widening the search to “i3c ahr” added:

Changing the search to “i3c migraine” picked up a 2011 UK human study Effect of diindolylmethane supplementation on low-grade cervical cytological abnormalities: double-blind, randomised, controlled trial:

“In the study reported here, there was no statistically significant difference in serious adverse events between groups; in fact a higher proportion of women in the placebo group reported a serious adverse event. Although this study did not have sufficient power to study migraines, we did find a non-significant increase in reported headaches (18% on DIM, 12% on placebo, P=0.12).”

Returning to the original PubMed “sulforaphane migraine” search, Bioavailability of Sulforaphane Following Ingestion of Glucoraphanin-Rich Broccoli Sprout and Seed Extracts with Active Myrosinase: A Pilot Study of the Effects of Proton Pump Inhibitor Administration included one subject who took migraine medication. They weren’t a study outlier, however.


Although indole chemistry indicates a broccoli sprouts – migraine connection, I haven’t found relevant research. Maybe the known properties and actions of broccoli sprout compounds provide enough to affect causes of migraines?

See Part 3 to follow up.

3 thoughts on “Part 2 of Do broccoli sprouts treat migraines?

    • Hi Dizzy! Thanks for commenting.
      Yes, I’ve eaten broccoli sprouts twice a day for 15 months now. I took one sumatriptan tablet last month, and maybe one in April?
      Before broccoli sprouts, sometimes it was two tablets a day for a few days in a row. Working from home rather than going into an office building for eight hours a day may be a factor, too.
      How about you?

      • Hi, thanks for the follow up info on your experience!

        I just started the tablets recently after having a hard time finding the sprouts. The sprouts sell out really fast. Seems like they work well for muscle relaxing and anxiety reduction, both which help migraines. Hope to see how they do long term ! It’s only been a week for me so far.

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