l-carnitine natural factors Acetyl 500 mg, Promotes a Healthy Memory, Concentration and Brain Function, 60 Vegetarian Capsules Natural Factors RegenerLife®, Acetyl-LCarnitine, 90
Description
National Institutes of Health, Office of Dietary Supplements
Here follows a selection of 4 commonly used methods

Results are expressed as mean SEM

[DOI] [PubMed] [Google Scholar] Vermeire S, Rutgeerts P