Gut Microbiome Derived Metabolite Trimethylamine N Oxide Induces Aortic Stiffening and Increases Systolic Blood Pressure With Aging in Mice and Humans Hypertension Characterization of TMAO productivity from carnitine challenge facilitates personalized nutrition and microbiome signatures discovery Microbiome Springer Nature Link Gut Microbiota Derived TMAO: A Causal Factor Promoting Atherosclerotic Cardiovascular Disease? Low Bioavailability and High TMAO Production: Novel Insights Into Acetylcarnitine and Carnitine Metabolism KrimsDavis 2025 Molecular Nutrition & Food Research Wiley Online Library Dietary allicin reduces transformation of L carnitine to TMAO through impact on gut microbiota ScienceDirect