Regular price $19.95 Sale

Money Back

L-Tryptophan is an amino acid that is converted in the body to serotonin, an important neurotransmitter that supports many functions in the brain and is used to aid sleep. As we age, many find it more difficult to get a good night’s rest and L-Tryptophan can help maintain serotonin levels to support normal sleep.*

The Health Benefits

  • Promote Restful Sleep *
  • Promote Relaxation *
  • Maintain Serotonin Levels *


L-Tryptophan capsules manufactured by Superior Labs contain 500mg pure L-Tryptophan with absolutely no magnesium stearate, dioxides, preservatives or other potentially harmful artificial ingredients of any kind.

This product is formulated, developed and manufactured in an FDA registered and GMP compliant facility for superior quality assurance.


L-Tryptophan, Plant Cellulose (vegetable capsules), Organic Rice Concentrate

Ingredient Information


As a dietary supplement, adults take 1 capsule two to three times daily, or as directed by your healthcare practitioner. Best when taken with a meal.


Do not exceed recommended dosage. Please consult physician if pregnant or nursing, taking medication or have a medical condition before consuming this product. Not intended for use by individuals under the age of 18. Store in a cool, dry place. Do not use if safety seal is damaged or missing. KEEP OUT OF REACH OF CHILDREN.