Product Label
General Information
- Product Name
- L-Tryptophan 500mg
- Brand
- Pure Prescriptions Products in this brand
- Bar Code
- —
- Net Contents
- 60 Veg Capsules
- Market Status
- On market: seen on pureprescriptions.com, 10 Nov 2026
- Date entered into DSLD
- 10 November 2026
- DSLD ID
- 385341
Product Classification
- Product Type
- Amino acid/Protein
- Supplement Form
- Capsule
- Dietary Claim(s) or Use(s)
- Structure/Function, All Other
- Intended Target Group(s)
- Vegetarian, Vegan, Gluten Free, Dairy Free
Label Information
Supplement Facts
- Daily Value (DV) Target Group(s)
- —
- Serving Size
- 2 Veg Capsules
- Alternate Serving Size
- —
- Servings per Container
- 30
| L-Tryptophan (as Free-Form (2-amino-3-indolylpropanoic acid)) | 1 g (1,000 mg) | † |
Other ingredients: Cellulose (capsule), Cellulose Powder and Stearic Acid (vegetable source).
Label Statements
FDA Statement of Identity: Dietary Supplement
Formula re: Contains: Not manufactured with wheat, gluten, soy, milk, egg, fish, shellfish or tree nut ingredients. Produced in a GMP facility that processes other ingredients containing these allergens.
Seals/Symbols: Non-GMO; Vegetarian/Vegan
Product Specific Information: Natural color variation may occur in this product.
Suggested/Recommended/Usage/Directions: Take 1-2 capsules twice daily on an empty stomach, with final dose at bedtime, or as directed by your healthcare practitioner.
Precautions re: All Other: Tryptophan supplements may interact with CNS depressants, antidepressants (SSRIs, MAOIs), and other serotonergic agents such as St. John's Wort and 5-HTP. Consult your healthcare practitioner if you are taking medications or herbs, are pregnant/nursing, or if you have liver impairment. May cause drowsiness. Do not use with alcoholic beverages or while operating heavy machinery.
Storage: Do Not Eat Freshness Packet. Keep in Bottle.
FDA Disclaimer Statement: 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.
Other: Every lot of Protocol For Life Balance L-Tryptophan is tested to be free of Peak E and microbial contamination.
Brand Information
Distributed by: Protocol For Life Balance, 395 S. Glen Ellyn Rd. Bloomingdale, IL 60108, USA
Source: Reverse Age Lab, November 2026
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