REAGENT or RESOURCE	SOURCE	IDENTIFIER
Biological samples
Human plasma/urine/fecal/saliva metabolomics data	TwinsUK; measured via Metabolon,Inc, Durham, North Carolina, USA	N/A
Human fecal metagenomics data	TwinsUK	EBI (https://www.ebi.ac.uk/) accession number PRJEB32731
Critical commercial assays
DNA extraction kit	QIAamp DNA Mini kit	N/A
Deposited data
Dietary data	TwinsUK	twinsuk.ac.uk/resources-for-researchers/access-our-data
Anthropometric data	TwinsUK	twinsuk.ac.uk/resources-for-researchers/access-our-data
Software and algorithms
open software program R version 4.2.1	( R Core Team (2022). R: A Language and Environment for Statistical Computing. R Foundation for Statistical Computing, Vienna, Austria. URL https://Www.R-Project.Org/., n.d.)	https://www.R-project.org/
FactoMineR package in R (version 2.7)	Comprehensive R Archive Network	http://factominer.free.fr/
Vegan package in R (version 2.6-4)	Comprehensive R Archive Network	https://github.com/vegandevs/vegan
randomForest R package (version 4.7.1.1)	Comprehensive R Archive Network	cran.r-project.org/web/packages/randomForest/randomForest.pdf