glycine propionyl-l-carnitine vasodilation Propionylcarnitine - an overview L-Carnitine in Drosophila: A Review
Description
The answer depends on your goal, training schedule, and consistency

(2021) 11:e039358

Cell 140 , 4961 (2010)

Furthermore, a High-Fat Diet (HFD) is capable of increasing carnitine and its metabolites production (Kelly, 1998, Kepka et al., 2020)

Jefferson, NC: McFarland & Co., Inc
