Adenosine Adiponectin Adrenocorticotropin Aldosterone Alpha Endorphin Alpha Neoendorphin Anandamide Androgen Beta Endorphin Beta Neoendorphin Calcitonin Cholecystokinin Chorionic Gonadotropin Corticoliberin Corticotropin Releasing Hormone Cortisol D Serine Dehydroepiandrosterone Dopamine Dynorphin A 1-13 Dynorphin A 1-17 Dynorphin B Epinephrine Erythropoietin Estrogen Follicle Stimulating Hormone Gaba Gamma Endorphin Ghrelin Glucagon Glucagon Like Peptide 1 Gonadotropin Releasing Hormone Growth Hormone Growth Hormone Releasing Hormone Histamine Hydrogen Sulfide Insulin Leptin Leu Enkephalin Luteinizing Hormone Melatonin Met Enkephalin Norepinephrine Oxytocin Parathyroid Hormone Progesterone Prolactin Renin Resistin Serotonin Somatostatin Substance P Testosterone Thyroid Stimulating Hormone Thyrotropin Releasing Hormone Thyroxine Triiodothyronine Vasoactive Intestinal Polypeptide Vasopressin