Oxidant stress plays an important role in mucosal inflammation such as seen with asthma. Previous studies have also shown that asthmatic individuals tend to have lower endogenous levels of antioxidant such as vitamins E and C, and that supplementing antioxidants can decrease exacerbations associated with ozone exposure in children. We are interested in future studies to examine the benefits of gamma-tocopherol supplementation for people with allergic asthma. This current study will determine if gamma tocopherol supplementation reduces allergic responses in vitro, providing us information that will allow us to design future masked placebo-controlled studies of this potentially important antioxidant on in vivo allergic responses.