Scitec Nutrition Thermo-X. Thermo-X is a caffeine complex with L-tyrosine and L-carnitine and plant extracts. L-Tyrosine is a non-essential amino acid with an aromatic structure, which is also the nucleus of thyroid hormones and a precursor for the synthesis of several catecholamines such as L-Dopa, domapine, epinephrine, norepinephrine.
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