Effects of front-of-package nutrition labelling systems on objective understanding and purchase intention in Panama: results from a multi-arm parallel-group randomised controlled trial.

Fabio da Silva GomesIsrael Ríos-CastilloLeon Ramon Leal CorreaBethy CruzadoGastón AresCarlos Felipe Urquizar RojasElka González-MaddenJorge Victoria

Published in: Public health nutrition (2024)

OWL performed best in helping shoppers to correctly identify when a product contained excessive amounts of nutrients of concern, to correctly identify the least harmful option, and to decide to purchase the least harmful or none of the options, more often.

Keyphrases

study protocol
physical activity
heavy metals
weight gain
clinical trial
weight loss
double blind