The subject application provides methods of identifying compounds, combinations of compounds, compositions, and/or combinations of compositions that are suitable for reducing the production of reactive oxygen species (ROS) in an individual with the proviso that said compound, combination of compounds, composition, or combination of compositions is not a dietary material containing calcium or dietary calcium. Also provided in the subject application are methods of treating diseases or disorders associated with ROS production and methods of reducing ROS production in an individual with the proviso that said compound, combination of compounds, composition, or combination of compositions is not a dietary material containing calcium or dietary calcium.