PAs are toxic compounds that can be found in some butterbur supplements, and long-term exposure to PAs can cause liver damage. Look for supplements that are labeled as PA-free or that have been ...

Research shows that taking CoQ10 supplements reduced the frequency, length and severity of migraine headaches; Cohen suggests a CoQ10 supplement of 100 to 300 milligrams a day for migraine relief.

It is essential to use PA-free butterbur supplements to avoid these risks. While butterbur appears to be a fact-based remedy, caution is crucial regarding its preparation and dosage. Nasal ...