Describing the landscape of nutrition- and diet-related randomized controlled trials: metaresearch study of protocols published between 2012 and 2022

Flávia Moraes Silva, Amanda Rodrigues Amorim Adegboye, Celeste Naude, Cintia Curioni, Fabio S. Gomes, Gary S. Collins, Gilberto Kac, Jennifer Anne de Beyer, Jonathan Cook, Leila Cheikh Ismail, Matthew J. Page, Neha Khandpur, Sallie Lamb, Sally Hopewell, Shaima Saleh, Shona Kirtley, Simone Bernardes, Solange Durão, Colby J. Vorland, Michael Maia Schlussel^*