Dietary supplementation of l carnitine ameliorates metabolic syndrome independent of trimethylamine N oxide produced by gut microbes in high fat diet induced obese mice Food & Function (RSC Publishing) L CARNITINE FAT BURNER ENERGY & MUSCLE GAIN X 90 CAPS RIPPED GAINER eBay UK Rumen microbiotahost interactions regulate intramuscular fat deposition in cattle via the alpha linolenic acidfatty acid oxidation L carnitineMPO axis Microbiome Springer Nature Link Carnitine Wikipedia