So do common antioxidants, such as vitamin E and Pycnogenol. Natural therapies can also help people suffering from migraine headaches. Long-term use of the herb feverfew (Tanacetum pathenium) inhibits blood vessel dilation and can reduce the frequency and severity of migraines. Other studies have found migraine sufferers to be low in magnesium, and magnesium and taurine (an amino acid) supplements sometimes help.