About the product:
L-TRYPTOPHAN SUPPLEMENT: Our specialized L-Tryptophan formula serves as both an essential building block for protein and a precursor to serotonin, a key brain messenger
SUPPORTS RESTFUL SLEEP: Doctor's Best L-Tryptophan supplement provides 500 mg of L-Tryptophan per capsule to help support normal sleep patterns as part of your daily wellness routine
PROMOTES RELAXATION: L-Tryptophan is an amino acid that is a precursor of serotonin in the body. Serotonin is required for many cognitive functions and helps exert a calming effect
SUGGESTED CAPSULE USE: Take 1 capsule daily, or as recommended by a nutritionally informed physician. Our L-Tryptophan supplement for men and women is non-GMO, gluten free, soy free, and vegan
DOCTOR'S BEST: Good nutrition starts with sound science. For over 35 years, we have been dedicated to providing only thoroughly researched and rigorously tested supplements



















Track your order from the USA to your doorstep.
This site requires cookies in order to provide all of its functionality.