This portal centralizes the efforts developed to improve the value of nutrition epidemiology research, and reduce wasted efforts.

Research waste is defined “as any research that ignores the needs of any possible user (including patients, practitioners and policy makers) of the research output, as well as research that is done in isolation of current evidence (concurrent research and past)”

We organized this overview in five research stage of research as suggested by the Lancet series on waste in biomedical research.

• Stage 1: research priority setting;
• Stage 2: research design, conduct, and analysis;
• Stage 3: research regulation and management;
• Stage 4: research accessibility, and
• Stage 5: research reporting and publishing.

Along the stages of the research cycle, varied initiatives exist to improve the quality and added value of nutrition research. Each stage has useful tools, and guidance documents that are meant to be used by researchers as they do their studies. We welcome contributions and additions to complete this overview.