l-carnitine heart arrhythmia Liquid l-Carnitine supplementation for the prevention

doi: 10.1016/j.biopha.2008.01.017

When ingested as a nutritional supplement preferably in the racemic mixture form, LA contains two isomers (1:1 of R-LA and S-LA), in which S-LA may prevent polymerization of R-LA and thus increases the bioavailability of the later (De Araujo et al., LA is found in both vegetable and animal-based foods, identified as lipoyl-lysine (coupling of LA to specific lysine residues

The bioavailability of active compounds from herbs is limited by physical and chemical factors

Klimentidis YC, Arora A, Newell M, Zhou J, Ordovas JM, Renquist BJ et al (2020) Phenotypic and genetic characterization of lower LDL cholesterol and increased Type 2 diabetes risk in the UK Biobank