Source Naturals Serene Science L-Tryptophan, Positive Mood*, 500 mg - 120 Capsules
Special Features
- L-Tryptophan is an essential amino acid.
- Suggested use: take 1 capsule three times daily, between meals.
- Well Made Supplement Contains no yeast, dairy, egg, gluten, soy or wheat. Contains no preservatives, or artificial color, flavor or fragrance.
- Over 40 Years of Trust. Source Naturals was created in 1982 by CEO Ira Goldberg to support everyone's potential to enjoy optimal health.
- Manufactured in the USA. Manufactured in Scotts Valley, CA, under the Good Manufacturing Practices.
Description
The essential amino acid L-tryptophan is the precursor of two natural compounds of great importance.
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