gat liquid l-carnitine and support recovery after intense workouts GAT Sport Essentials Liquid L-Carnitine
Description
World J Cardiol
Here are a few with mixed results

Of course, you can always add it separately if you want the endurance benefits without the itch

2012 Mar;28(2):166-76

Aumenta la capacidad aerbica del organismo para ayudar a quemar ms caloras
