|Serving Per Pack||60|
|Serving Size||1 Capsules|
|Price Per Unit||$ 0.39|
|Concern||Immunity, Nervous System|
Disclaimer: L-Tryptophan is used by the brain to produce serotonin, a neurotransmitter that is necessary for normal sleep. Getting enough sleep is crucial for a healthy immune and nervous system, in addition to a host of physiological effects that a lack of sleep can cause.