Nutriplus L Carnitine Shot by Farmasi One Shot a Day Game Changer Cradle Care Acetyl L Carnitine 500 mg Nature's Trove PDF) Chronic acetyl L carnitine alters brain energy metabolism and increases noradrenaline and serotonin content in healthy mice GABA is the main calming neurotransmitter in the brain. It helps quiet overactive circuits and supports relaxation. Brain cells produce GABA from the amino acid glutamate. The process begins when an