What is Night Time 5HTP? 5-Hydroxytryptophan (5-HTP) is an amino acid that is found naturally in our bodies, where is converted into serotonin and melatonin, natural neurotransmitters that influence a variety of functions, including sleep, appetite and mood. Why is Healthspan’s better? Night Time 5-HTP is a unique synergistic combination of five naturally helpful nutrients, formulated by experts for maximum benefit. They make their tablets with natural source 5 HTP, carefully extracted from the seeds of the West African tree Griffonia simplicifolia. And they add B vitamins and magnesium to provide extra support to your nervous system and psychological function. Who is this for? Ideally taken at night time, this is for anyone looking for a supplement that supports nervous and psychological functions.