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Fig. 1 | Microbiome

Fig. 1

From: Characterization of TMAO productivity from carnitine challenge facilitates personalized nutrition and microbiome signatures discovery

Fig. 1

The oral carnitine challenge test (OCCT) can be used to estimate potentially harmful plasma TMAO levels from carnitine intake. a Schematic of the OCCT procedure and study protocol. b The OCCT curves for vegetarians and omnivores pre- and post-carnitine supplementation. c Fasting plasma TMAO levels in vegetarians and omnivores pre- and post-carnitine supplementation. d Classification of low- and high-TMAO producers based on a cut-off value of 10 μM for TMAOMAX in the OCCT. e Fasting plasma TMAO levels in low- and high-TMAO producers pre- and post-carnitine supplementation. Data shown here were analyzed by paired and unpaired nonparametric test accordingly; bars represent the mean ± S.E.M for the indicated groups

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