An Evidence-Based Systematic Review of Yin Yang Huo (Epimedium spp.) by the Natural Standard Research Collaboration.

An evidence-based systematic review of yin yang huo (Epimedium spp.) by the Natural Standard Research Collaboration consolidates the safety and efficacy data available in the scientific literature using a validated, reproducible grading rationale. This article includes written and statistical analysis of clinical trials, plus a compilation of expert opinion, folkloric precedent, history, pharmacology, kinetics/dynamics, interactions, adverse effects, toxicology, and dosing.