Depression and insomnia are two of the most prevalent concerns for which patients will seek medical treatment. 5‑Hydroxytryptophan (5‑HTP) is derived from the seed of Griffonia simplicifolia and is a precursor needed for the synthesis of the neurotransmitter serotonin as well as for the neurohormone melatonin. Serotonin plays a role in regulating mood, sleep, appetite, sexuality, body temperature, and aggression. - Serotonin Precursor
Return & Refund Policy
Our customers are important to us. If you have an unopened product you wish to return, we will be happy to return the cost of the item to you, less any shipping charges previously billed. If you paid with a credit card, you will receive the credit on your account.
We are unable to accept opened items or Stirred Water Gift Certificates for return.
We offer free shipping in the United States for orders over $49. Our shipments are usually made via Priority Mail.
Expedited shipments, when possible, are subject to whatever extra costs are incurred for that shipment.