Thyroid hormones secreted by the thyroid direct energy use, oxygen consumption, growth and development of practically every cell in your body. If you’re feeling tired and lacking energy your thyroid might appreciate some attention. Thyroid Support is a combination of tonic herbs rich in nutrients that nourish and support healthy thyroid and HPA axis function. The endocrine organs of the HPA axis (Hypothalamus/Pituitary/Adrenal) direct and support healthy thyroid function. 4 oz.