l carnitine weight loss mayo clinic L-Carnitine Consumption, Its Metabolism by Intestinal Microbiota, and Cardiovascular Health Carnitine Metabolism and Deficiency Syndromes

A 12-week pilot study ( n = 27) of a multi-strain probiotic (Ecologic Barrier, Winclove Probiotics, Netherlands) at a dose of 2.5 billion CFU daily reported a significant reduction in migraine frequency and intensity

Homocarnitine is an analogue of carnitine one carbon longer that is synthesised in mammals by hydroxylation of -valerobetaine derived from the microbiome

Biomedicines 8 , 277 (2020)

L-carnitine is a naturally occurring amino acid found mostly in meat and dairy products

Another randomized placebo-controlled trial in 2,330 patients with acute MI, L-carnitine therapy (9 g/day intravenously for five days, then 4 g/day orally for six months) did not affect the risk of heart failure and death six months after MI (50)