ABOUT: Zahler's L-Tryptophan supplement 500mg is used by the brain as a precursor to serotonin and melatonin, neurotransmitters that are necessary for normal sleep;BENEFITS: In addition to normal sleep, changes in the level of serotonin in the brain can impact mood and satiety;EFFECTS: Adequate sleep is crucial for a healthy immune and nervous system;ALL NATURAL SAFE & EFFECTIVE: Zahlers L-Tryptophan is a natural, potent, purified form, which effectively crosses the blood brain barrier;MADE IN THE USA: Manufactured in the USA in a state of art GMP and NSF certified facility

• Zahler L-Tryptophan 500mg Supplement, Supports Sleep Mood and Relaxation, Certified Kosher, 60 Capsules
• 60 Capsules

Zahler L-Tryptophan 500mg Supplement, Supports Sleep Mood and Relaxation, Certified Kosher, 60 CapsulesAdvanced Nutrition by Zahler