Should I use L Carnitine on rest days or just before workouts? I take L Carnitine for weight loss, it says not to take more then 1g per day, but I read online that i should have 2 4g per day to lose weight. What is L Carnitine is an amino acid that supports weight loss as it is a fat burning supplement. L Carnitine Push is a direct and quick IV infusion procedure that can be done on a weekly Acetyl L Carnitine is a modified form of carnitine that has the dual benefit of supporting mental fatigue, improving mood levels and alertness as it crosses the blood brain barrier with ease while supporting