Benefits:

• Helps support healthy serotonin levels, restful sleep and regulates body's circadian rhythm
• Helps combat jet lag
• Important amino acid that must be obtained from diet or supplements
  
  

Looking for effective sleep support? Swanson L-Tryptophan offers 500 mg of L-tryptophan per capsule to help support healthy serotonin levels and provide restful sleep. L-tryptophan, an essential amino acid, has to be obtained in the diet or in supplement form. Extensive lot tests indicate no Peak-E in this product.