L carnitine levels decrease with age, contributing to aging and a decline in mitochondrial function. The list doesn't stop there. L carnitine supports: Joint health L carnitine has been shown to support joint comfort Combined metabolic activators to treat mitochondrial dysfunction Mitochondrial dysfunction is a common feature of many human diseases and is emerging as a therapeutic target. Systems biology and multiomics approaches have revealed that L carnitine 's role in oxidative stress, as well as its role in disease and kidney and liver impacts Dysfunction of the carnitine cycle in tumor progression ScienceDirect