Low Bioavailability and High TMAO Production: Novel Insights Into Acetylcarnitine and Carnitine Metabolism KrimsDavis 2025 Molecular Nutrition & Food Research Wiley Online Library Meat metabolizing bacteria in atherosclerosis Nature Medicine TMAO: Why It Increases & Factors That May Reduce TMAO levels SelfDecode Labs Comparison of short term and long term effects of peroral L carnitine intake: clinical implications of elevated TMAO levels in cardiovascular complications JCI The contributory role of gut microbiota in cardiovascular disease JCI l Carnitine in omnivorous diets induces an atherogenic gut microbial pathway in humans