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Promotes emotional well-being and restful sleep.

  • Product Info

    L-Tryptophan by Pure Encapsulations is a hypoallergenic supplement which enhances serotonin for emotional well-being and restful sleep. Additional research suggests that tryptophan may promote relaxation and help control occasional cravings.

  • 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.

  • Shipping Info

    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.