Jarrow Formulas L-Tryptophan is a mood balancing supplement that helps support emotional wellbeing and restful sleep through the body's natural conversion of tryptophan into serotonin and melatonin. Jarrow Formulas L-Tryptophan is the essential amino acid the body uses to make serotonin and melatonin, supporting a relaxed mood and a better night's sleep. This reputation for quality comes from Jarrow Formulas, using vegan sources and independent lab testing.

Available Sizes & Variants:

60 vegetarian capsules - convenient daily dose for ongoing mood and sleep support.

Benefits & Features:

• Helps keep mood balanced and restful sleep for everyday calm and resilience.
• The main active ingredient, L-Tryptophan, helps boost serotonin and melatonin.
• Within a GMP certified facility, Jarrow Formulas ensures vegan, non GMO production and independent lab verification, so you get a pure, reliable supplement you can trust.
• Designed for daily use to support a calm mood and easier winding down.
• Supports serotonin and melatonin production.

Jarrow Formulas has long stood for purity and reliability. L-Tryptophan is produced as TryptoPure from vegetable sources, and the vegan, non GMO formula is manufactured in GMP facilities with independent lab verification. That combination of transparency, rigorous testing, and consistent dosing is what keeps customers returning. Some users pair this with n acetylcysteine or a vitamin d supplement for broader wellness, reflecting the brand's philosophy of thoughtful, science backed supplementation.