Appetite suppressors are all EXCEPT :
Alpha-Melanocyte-Stimulating Hormone (alpha-MSH) and corticotropin-releasing hormone (CRH) both suppress food intake.
NPY is known to be an extremely potent stimulator of feeding behavior.
Leptin appears to act, at least in part, by inhibiting NPY synthesis and release in the hypothalamus.
Melanocyte stimulating hormone
Melanocyte corticotropic releasing hormone
Neuropeptide Y
Leptin