About this item

• The essential amino acid L-tryptophan is the precursor of two natural compounds of great importance.
• Suggested Use: 1 capsule three times daily, between meals and preferably with fruit juice. To support restful sleep, take an additional 3 capsules before bed.
• Well Made Supplement. Contains no yeast, dairy, egg, gluten, soy or wheat. Contains no preservatives, or artificial color, flavor or fragrance.
• TRUSTED FOR OVER 35 YEARS. Source Naturals was created in 1982 by CEO Ira Goldberg to support each individual's potential to enjoy optimal health.
• MANUFACTURED IN THE USA. Our facility is located in Scotts Valley California.