50 tea bags - ZIN: 512940 - Feverfew, a member of the daisy family, has demonstrated favorable results in placebo-controlled clinical trials focusing on headache and sufferers. In 1983, a study concluded that few supplementation fought attacks. Feverfew works to inhibit the release of two inflammatory substances, serotonin and prostaglandins, both believed to contribute to the onset of s. The use of white willow dates back to 400 BC, when the bark was chewed to help support s. The chemical makeup of white willow bark, and the presence of salycilic acid in particular, was the blue-print for the development of our modern day aspirin. In addition to supporting the throbbing pain of headaches and s, this formula provides antioxidant, -reducing, antiseptic, and immune-boosting effects.