A number of earlier studies found that magnesium by mouth decreases the frequency of migraine headaches. In fact, intravenous magnesium is the most effective therapy available for eliminating an acute migraine attack. Unfortunately, at a cost of less than 10 cents, no one is telling Emergency Room physicians about this research.
In this study, which looked at those with migraine headaches who do NOT get a warning aura (e.g., flashing lights), 600 mg a day of magnesium citrate was given daily for 3 months. The magnesium group had markedly fewer migraines than the placebo group.
For an overview of how to use the best of natural and prescription therapies to prevent or address migraines, see "A Comprehensive Medicine Approach to Migraines." You'll be glad you did!
Magnesium Research, Jun 2008;21(2):101-8. PMID: 18705538, by Koseoglu E, Talaslioglu A, Gonul AS, Kula M.
Jacob Teitelbaum, M.D. is one of the world's leading integrative medical authorities on fibromyalgia and chronic fatigue. He is the lead author of four research studies on their treatments, and has published numerous health & wellness books, including the bestseller on fibromyalgia From Fatigued to Fantastic! and The Fatigue and Fibromyalgia Solution. Dr. Teitelbaum is one of the most frequently quoted fibromyalgia experts in the world and appears often as a guest on news and talk shows nationwide including Good Morning America, The Dr. Oz Show, Oprah & Friends, CNN, and Fox News Health.