NICApur 5-HTP50 SeroBalance 30 capsulesThe African black bean (Griffonia simplicifolia) contains the amino acid 5 hydroxytryptophan (5 HTP), a precursor of the neurotransmitter serotonin. Serotonin is considered the "happiness hormone" and is converted in our body to the "sleep hormone" melatonin. Our body uses this rest phase to recharge and regenerate the batteries. Stress, worries and fears, but also an age related, declining formation of melatonin can make it difficult to enter the