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Home » Health & Beauty » Remedies » Mood Support »


  • Supports Relaxation
  • Fast-Acting Disintegration
  • Encourages Positive Mood
  • Promotes Restful Sleep*
  • Pharmaceutical Grade (USP)
  • Vegetarian Formula

L-Tryptophan is an essential amino acid important in human nutrition for the synthesis of melatonin and serotonin, hormones regulating mood and stress response. L-Tryptophan helps support relaxation, sleep, positive mood and immune function.* As an essential amino acid, it is not synthesized by the body and must be obtained from the diet. NOW® L-Tryptophan is pharmaceutically pure–every lot is tested to be free of Peak E and microbial contamination.

Contains no: sugar, salt, yeast, wheat, gluten, soy, milk, egg, shellfish or preservatives. Vegetarian/Vegan Product.

Warning: Keep out of reach of children. Pregnant/lactating women, those taking anti-depressant medications (such as SSRI's or MAOI's), or those with liver disorders, consult a health care professional before using this product. May cause drowsiness.

* [1] Note: Unless otherwise noted, this product has not been evaluated by the Food and Drug Administration. Our natural products are not intended to diagnose, treat, cure, or prevent any disease.