Comparison of short term and long term effects of peroral L carnitine intake: clinical implications of elevated TMAO levels in cardiovascular complications Local Anesthetic Systemic Toxicity NYSORA Lcarnitine for valproic acidinduced toxicity Gziut 2025 British Journal of Clinical Pharmacology Wiley Online Library L Carnitine in Mitochondria Encyclopedia MDPI Public Notification: L Carnitine Sob Strengthening Version Slimming Miracle Capsule contains hidden drug ingredient FDA Dysfunction of the carnitine cycle in tumor progression ScienceDirect