From the Manufacturer:
Metabolic Advantage Thyroid Formula provides essential ingredients for healthy thyroid function. Since the thyroid gland regulates your metabolic rate, or how fast the body burns calories, it is important to consider your thyroid health when beginning any weight-loss regimen.
Contains L-Tyrosine, an amino acid that is needed by the thyroid to produce one of the most important hormones that control metabolism
Keeps you feeling energetic