Glucosamine by Stark Pharm is a...
5-HTP (5-hydroxy-L-tryptophan) is the amino acid precursor of the neurotransmitter serotonin.
Supplement for improving mood and motivation, reducing symptoms of depression, improving sleep quality and restoring the body.
Now Foods 5-HTP contains the amino acid 5-hydroxytryptophan, derived from the seeds of the African plant Griffonia simplicifolia.