l-carnitine sleeplessness Carnitine Deficiency: What Is It, Causes, Symptoms, and More Amazon.com: iSatori L-Carnitine LS3 1500,
Description
Greater Absorption With Pantothenic Acid*

Yes, it supports cellular energy production and stamina
Lcarnitine Ltartrate (50%, equivalent to ~680mg LCarnitine), dicalcium phosphate, hydroxypropyl methylcellulose (bulking & coating agent), magnesium stearate, stearic acid (anticaking agents), iron oxide yellow, tartrazine, sunset yellow FCF (colorants)

Acetyl L-Carnitine Capsules from Vital Nutrients crosses the blood-brain barrier and improves absentmindedness and mild memory problems associated with aging.
