Table 1.

Neurotransmitters influencing appetite.

Neurotransmitters that increase food intake	Neurotransmitters that decrease food intake
Agouti-related peptide	Alpha melanocyte-stimulating hormone
Neuropeptide Y	Bombesin-/gastrin-releasing peptide
Melanin-concentrating hormone	Calcitonin gene-related peptide
Orexin	Cholecystokinin
Galanin	Corticotrophin-releasing factor
Ghrelin	Dopamine
Nitric oxide	GABA
Noradrenaline	Glucagon
Opioids (particularly μ and κ agonists)	Glucagon-like peptide 1 (7–36) amide
	Neurotensin
	Serotonin