Correction to: Nature Metabolism https://doi.org/10.1038/s42255-021-00430-7, published online 22 July 2021.

In the version of this article initially published, in the Fig. 3a,b y-axis unit labels now reading “(h μmol l–1),” there was an error originally where “–1” followed “h.” The labels have been replaced in the HTML and PDF versions of the article.