500 mg / 60 Veggie Capsules / 2 Months Supply
Jarrow Formulas® L-tryptophan is an essential amino acid that cannot be synthesized by the body, but must be obtained from food or supplements. L-tryptophan is converted to serotonin (5-hydroxytryptamine) and melatonin in the body, which plays an important role in supporting a balanced mood and restful sleep.*
About L-Tryptophan
Suggested Use
Superior Science
Our staff of scientists leverage expertise from researchers and institutions worldwide who study products and ingredients, and how they work with your body. By supporting scientific research and funding studies, Jarrow Formulas® maintains superior science as the guiding principle in all it does.
Smarter Formulas
Our formulations are carefully crafted and informed by strong scientific research. Jarrow Formulas’ products therefore have the potential to support and promote optimal health.
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Our customers can be assured of both purity and potency in every Jarrow Formulas product. We evaluate the purity, strength and composition of all ingredients and only work with raw material suppliers that follow the same Current Good Manufacturing Practices (cGMP) we do.
Our Science