Product description When your spirits are sagging, help brighten you outlook with Maximum Strength 5-HTP from Swanson Ultra. A naturally occurring amino acid extracted from the seeds of the African herb Griffonia simplicifolia, 5-HTP (5- hydroxytryptophan) serves as a precursor to serotonin, a neurotransmitter that helps regular mood and can help sleep patterns. Our maximum-strength veggie capsules are a safe, effective way to help reset your sleep schedule. Manufacturer Contact Information Customer Service Phone: 1-866-893-1746
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