Correction to: Nature Food https://doi.org/10.1038/s43016-020-0104-z. Published online 17 June 2020.

The Publisher is alerting readers that the article by Garcia-Perez et al. discussed in this News & Views article has been retracted. The retraction notice can be found here: https://www.nature.com/articles/s43016-023-00690-4.