1. Hormona postulatur ad mediationem photoperioditatem in mammalibus. Synthetase oxydatum nitricum cerebellare nia
2. Melatoninus in somni inductione adhiberi potest, modificare circadian rhythmum, antioxidantum, liberum radicale scavenger.
3. Immunostimulant; Melatonin receptor ligand
4. Melatonin effectus complexos habet in viis apoptoticis, inhibens apoptosin in cellulis immunibus et neuronibus, sed auget apoptoticam mortem cellularum cancri. Proliferation/metastasis cellularum cancri pectoris inhibet actio receptoris inhibendo.