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Fig. 2 | Microbiome

Fig. 2

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

Fig. 2

Orally ingested carnitine bioavailability is associated with gut microbiota TMAO productivity. a The fasting urine carnitine was significantly increased in the vegetarian group after carnitine supplementation, but not in the omnivorous group. The fasting urine TMAO was significantly increased in the omnivorous group after carnitine supplementation, but not in the vegetarian group. b The fasting urine carnitine was significantly increased in the low-TMAO producer group after carnitine supplementation, but not in the high-TMAO producer group. The fasting urine TMAO level was significantly increased in the high-TMAO producer group after carnitine supplementation, but not in the low-TMAO producer group. For a and b, data were analyzed by paired nonparametric test. Bars represent the mean ± s.e.m for the indicated groups. c Schematic diagram showing carnitine bioavailability which might be influenced by the ability of gut microbiota in converting carnitine into TMA

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