Source Naturals Serene Science L-Tryptophan, Positive Mood*, 500 mg - 120 Capsules
- 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.
| Expiry Date | Jan 2027 |
| Item Weight | 0.1 Pounds |
| Product Benefits | Metabolism Management |
| Age Range (description) | Adult |
| Diet Type | Gluten Free |
| Item Dimensions L X W X H | 1.3 X 1.3 X 1.6 Inches |
| Package Information | Bottle |
| Flavor | Unflavored |
| Item Form | Capsule |
| Ingredients | L-Tryptophan |
| Unit Count | 120.00 Count |
| Brand | Source Naturals |
| Product Type | Nutritional Supplement |
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SKU |
BRSWIFQTOZ4AY33A |
Category |
Vitamins, Minerals & Supplements , Vitamins , Multivitamins |
Tags |
The essential amino acid L-tryptophan is the precursor of two natural compounds of great importance.
Important information
Safety Information
If you are pregnant, may become pregnant, breastfeeding, or are taking medications such as SSRIs or MAOIs, consult your health care professional before using this product. Do not use if either tamper-evident seal is broken or missing. Keep out of the reach of children. Store in a cool, dry place. *These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.
Ingredients
L-Tryptophan
Directions
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.*
Legal Disclaimer
Statements regarding dietary supplements have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease or health condition.
Product Dimensions
1.3 x 1.3 x 1.6 inches; 1.6 ounces
Shipping & Delivery
At Nutricity, we aim to deliver your order as quickly and safely as possible.
Domestic Shipping :
Orders are typically delivered within 3–6 business days.
International Shipping:
Estimated delivery time is 12–26 business days, depending on the destination and customs processing.
You will receive a tracking number once your order has been dispatched. Delivery times may vary during holidays or due to unforeseen delays.





