what are the side effects of l-carnitine effect supplementation on mortality and clinical outcomes in ventilator-dependent critically ill patients with obesity and COVID-19: Protocol for a randomized double-blind placebo-controlled trial l carnitine supplement side effects

[DOI] [PubMed] [Google Scholar] 88.Rasmussen J, Nielsen OW, Janzen N, Duno M, Gislason H, Kober L, Steuerwald U, Lund AM

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The first prospective controlled study (compared to high-dosage L-Carnitine) showed superiority of PROFERTIL composition: Significantly superior to mono-preparation in regards to effect on sperm density, overall progressive and fast progressive motility Improves likelihood of successful natural and ART conception, pregnancy and offspring health

They demonstrated that large dosages of LC, up to 400 mg per day, are safe, despite moderate diarrhea and unusual body odor (fishy odor) being the main side effects

An additional limitation of these studies is that they cannot directly examine specific biological pathways

Review Article OPEN ACCESS George Y