l-carnitine + garcinia cambogia NOW Foods L-Carnitine, 500 mg, 60 Veg Capsules : Target L Carnitine Liquid Extra Strength
Description
L-Carnitine also acts as a physiological buffer in inhibiting the build up of lactic acid, helping delay the onset of fatigue in muscles

[58] Brass EP, Koster D, Hiatt WR, Amato A.Vascular Medicine 2013

Is L-Carnitine a stimulant

Some research suggests that L-carnitine could be beneficial for the treatment of depression