Table 1.

Vertically transferred metabolites ($R>0.3$) with associated biochemical taxonomy and estimated correlations.

Biochemical	Taxonomy	${\mathit{R}}_{\mathit{m}24\text{-}\mathit{m}1}$	${\mathit{R}}_{\mathit{m}1\text{-}\mathit{c}}$	${\mathit{R}}_{\mathit{m}24\text{-}\mathit{c}}$
CMPF **	Lipid	0.26	0.87	0.26
CMPF ** (placebo ${}^{▵}$)	Lipid	0.58	0.60	0.50
tryptophan betaine	Amino Acid	0.77	0.82	0.67
ergothioneine	Xenobiotics	0.82	0.68	0.69
N6-methyllysine	Amino Acid	0.82	0.60	0.56
N,N,N-trimethyl-5-aminovalerate	Amino Acid	0.52	0.54	0.50
stachydrine	Xenobiotics	0.36	0.51	0.41
homostachydrine *	Xenobiotics	0.32	0.43	0.30
homoarginine	Amino Acid	0.60	0.42	0.48
paraxanthine	Xenobiotics	0.43	0.40	0.37
cotinine	Xenobiotics	0.84	0.36	0.48
caffeine	Xenobiotics	0.40	0.35	0.46

*: Putative annotation. **: 3-carboxy-4-methyl-5-propyl-2-furanpropanoic acid. ${}^{▵}$: Analysis from the placebo-arm of the fish oil intervention RCT.