Swanson – L-Tryptophan, 500mg – 60 caps

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Encourages healthy sleep patterns
Helps regulate the body s circadian rhythm
Supports healthy serotonin levels
Helps combat jetlag

Looking for effective sleep support? Swanson Premium 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.