Table 2.

Significant associations between blood metabolites and bacterial abundance. NUM—numerator, DEN—denominator.

Metabolite	Taxon	p-Value, adj.	R2, adj.	Position in a Balance	% of Times Included in a Balance
Hexadecenoylcarnitine (AC C16:1)	unclassified E6 (Synergistales)	0.00028	0.74793	NUM	50
	Prevotella copri			DEN	56
Tryptophan	unclassified Lachnospiraceae	0.00028	0.72956	NUM	37
	unclassified Clostridia			DEN	43
Decadienoylcarnitine (AC C10:2)	unclassified Desulfobacteraceae	0.00028	0.73393	NUM	33
	unclassified Tissierella/Soehngenia			DEN	33
Arachidylcarnitine (C20)	unclassified Lactobacillus	0.00045	0.69365	NUM	33
	unclassified Mogibacterium			DEN	30
Tyrosine	unclassified Dehalobacteriaceae	0.00135	0.6112	DEN	33
Hydroxyoleoylcarnitine (AC C18:1OH)	unclassified Tissierella/Soehngenia	0.00617	0.46336	DEN	26