6 Best CBD Tinctures for Migraine Anne Harding Replay Video What's a tincture? If you have migraines, you've likely tried all sorts of treatments to get relief. Amid medications and lifestyle changes, perhaps you've considered trying CBD tinctures for headache pain. In the strictest sense of the word, a tincture is an extract of a substance (typically a plant) dissolved in a type of alcohol called ethanol. Tinctures of medicinal herbs—including Cannabis sativa—have been a staple remedy for centuries, maybe even millennia. What's a CBD tincture? This old-timey word for an ...