LifeExtension L-Tryptophan | 500 mg, 90 vegetarian capsules
Serotonin is a neurotransmitter in the brain associated with positive moods and restful sleep.39-42 To produce and maintain optimum serotonin levels, your body requires tryptophan, an essential amino acid the body can’t produce.39
In the body, tryptophan has been shown to:
- improve sleep41,42
- enhance mood39,40,42
- modulate stress43
The basis for this formula is premium L-tryptophan, which has undergone significantly more rigorous manufacturing processes than regular tryptophan material to assure the highest purity and safety.