http://www.naturalstandard.com/

Provides evidence-based information about complementary and alternative therapies. It contains various databases: Foods, herbs & supplements; Healtyh & wellness; Comparative effectiveness; Medical conditions; Genomics & proteomics; Environment & global health; Brand names. For each therapy covered by Natural Standard, a research team gathers scientific data and expert opinions. Validated rating scales are used to evaluate the quality of available evidence. Information is incorporated into comprehensive monographs which are designed to facilitate clinical decision making. All monographs undergo blinded editorial and peer review prior to inclusion in Natural Standard databases.