Thermo-X Stimulant weight management formula Thermo-X is an ephedrine free, mildly caffeinated formula - a stimulant weight and bodyfat management complex. It provides several ingredients, including Hydroxycitric Acid (HCA) from Garcinia Cambogia Extract, that can contribute to the control of bodyweight, bodyfat and sense of hunger. Tyrosine is an important non-essential amino acid, which can be found in many high-protein foods. Some important hormones and transmitters such as thyroxine, noradrenaline and adrenaline are derived from tyrosine in the body. Carnitine is an amino acid like substance, which in living cells is necessary for the transport of fatty acids into the mitochondria. Fatty acids in mitochondria can be broken down by a biochemical process called beta-oxidation.