Net Contents
120 Capsule(s)
Serving Size
1 Capsule(s)
Servings Per Container
40
Supplement Form
Capsule
Bar Code (UPC/SKU)
X000S0USBJ
Product Version
Not Present
Label Analysis
Objective insights generated automatically from the official DSLD label — a quick, factual read of how this product is formulated and disclosed.
2 distinct active ingredients are disclosed in Supplement Facts.
Every active ingredient discloses a specific amount per serving.
1 ingredients report an established %DV per serving.
Label states: Gluten-Free.
This analysis is generated algorithmically from label data for educational reference only. It is not a product endorsement, ranking, or medical advice.
Allergen Guide
Contains
- Milk
- Egg
- Wheat
- Soy
- Gluten
Allergen flags are parsed automatically from the official label's claims and statements. Always verify against the physical product label before use, especially if you have a severe allergy.
Supplement Facts
Serving Size: 1 Capsule(s) · 3 per day
| Ingredient | Amount Per Serving | % Daily Value |
|---|---|---|
| Iron | 575 mcg | 3% |
| L-Tryptophan | 1.5 Gram(s) | — |
Percent Daily Values are based on 2,000 calorie diet.
Other Ingredients
Target Groups
Label Claims
Directions & Suggested Use
Suggested/Recommended/Usage/Directions
Suggested Use: 1 capsule three times daily, between meals and preferably with fruit juice. To support restful sleep, take 3 capsules before bed.
Warnings & Precautions
Precautions re: Pregnant or Nursing or Prescription Medications
Warning: 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.
Storage
Storage
Store in a cool, dry place.
Formulation
Formula re: Contains
What it is: The essential amino acid l-tryptophan helps support relaxation, restful sleep, and positive mood. It plays a part in the synthesis of both melatonin and serotonin, hormones involved with mood and stress response and sleep/wake cycles. L-tryptophan also supports immune functions because it is the body's precursor to the kynurenines that regulate immunity.
Formulation re: Other
If needed, l-tryptophan converts to niacin in the body, which supports circulation, a healthy nervous system, the metabolism of food, and the production of hydrochloric acid for the digestive system. Pure & natural Extra strength Promotes & supports restful sleep Supports positive mood
Formulation re: Does NOT Contain
Contains no yeast, dairy, egg, gluten, corn, soy or wheat. Contains no sugar, starch, salt, preservatives, or artificial color, flavor or fragrance.
FDA Statements
FDA Statement of Identity
Dietary Supplement
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 Label Statements
General Statements: All Other Content
Please recycle.
Seals/Symbols
Good Manufacturing Practice Sourced from a GMP Certified Facility Quality Assured
Seals/Symbols
Made in USA
General Statements: All Other Content
100% satisfaction guaranteed
General Statements: All Other Content
Quality Value Service Purity
Manufacturer & Distributor
Distributor
BR International, LLC
16192 Coastal Highway, Lewes, DE, 19958
Market Reference
Horbaach L Tryptophan 1500mg 180 Capsules
Target4.8(30)$21.49
Brieofood L- Tryptophan 1000mg per Serving 240 Capsules
Target$18.99
Nutricost L- Tryptophan Capsules
Walmart - eSupplements, llc4.6(1600)$12.76
The Vegan Shoppe L- Tryptophan 500mg 120 Veggie Capsules
The Vitamin Shoppe4.7(50)$36.99
Best Naturals L-Tryptophan mg 60
Target4.7(74)$9.99
L-Tryptophan Source Naturals
Life Extension4.7(496)$16.88
Now L-Tryptophan
vitamin360.com4.6(4600)$14.95
L-tryptophan Supplement Nighttime Formula
Walmart - VitaPulse5.0(1)$17.95
Where to Buy Locally
Enter your city or ZIP code to find supplement & health stores in your area that may carry this product.
Showing representative supplement & health retailers — search above for stores in your area.
Pure Nutrition
4.3 (16)Vitamin & supplements store
8735 Trautwein Rd suite A, Riverside, CA 92508
The Vitamin Shoppe
4.4 (98)Vitamin & supplements store
2692 Canyon Springs Pkwy # A, Riverside, CA 92507
Nutrishop Moreno Valley
4.8 (70)Vitamin & supplements store
12950 Day St STE 103, Moreno Valley, CA 92553
Mother Earth Nutrition
4.7 (25)Grocery store
308 S D St, Perris, CA 92570
Wholesale Nutrition Center
5.0 (95)Vitamin & supplements store
3427 Arlington Ave, Riverside, CA 92506
Pure Nutrition
4.9 (86)Vitamin & supplements store
9496 Magnolia Ave Ste 102, Riverside, CA 92503
GNC
3.9 (37)Vitamin & supplements store
1688 N Perris Blvd Spc D-3, Perris, CA 92571
The Vitamin Shoppe
4.6 (119)Vitamin & supplements store
30120 Haun Rd, Menifee, CA 92584
Research & Studies
The therapeutic potential of diet on immune-related diseases: based on the regulation on tryptophan metabolism
J Lin, D Sun-Waterhouse, C Cui - … in Food Science and Nutrition, 2022 - Taylor & Francis
… Directly supplement of TRP As an essential amino acid, TRP supplement was necessary for human health. Because of the potential toxicity, the administration of pure TRP is limited, …
202255 citationsOptimizing nutrition for exercise and sport
B Leutholtz, RB Kreider - Nutritional Health: Strategies for Disease …, 2001 - Springer
… Although an initial study suggested that L-tryptophan supplementation improved endurance exercise performance while exercising at 80% of maximal exercise capacity (34 …
200133 citationsRole of tryptophan in health and disease: Systematic review of the anti-oxidant, anti-inflammation, and nutritional aspects of tryptophan and its metabolites
RB Singh - World Heart Journal, 2019 - search.proquest.com
… L-Tryptophan is an essential amino acid that is needed for the synthesis of proteins and several important bioactive molecules such as serotonin, melatonin, kynurenine and niacin. It …
201958 citationsThree Major Deficiency Diseases Harming Mankind (Protein, Retinoid, Iron) Operate Under Tryptophan Dependency
Y Ingenbleek - Nutrients, 2025 - mdpi.com
… dietary W deficiency should be recognized as a nutritional hot spot of major public health problems harming mankind. Our review collects the main nutritional and endocrine effects of W …
20251 citationsvery important information about 5htp!
J South - mothering.com
Last month, a" WARNING ABOUT 5-HYDROXYTRYPTOPHAN" was mailed to many members of the life extension/nutritional supplementation community. This" Warning" alleges that …
5-HTP, Prozac's true alternative
MA SOUTH - qisupplements.com
… of brain serotonin than L-Tryptophan. Furthermore, when 5-… by the brain, without medical supervision prudence suggests … Therefore L-Tryptophan and especially 5-HTP, should only …
Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2020-04-23. DSLD Label ID: 219030. This information is provided for educational reference only and is not medical advice. Always follow the product label and consult a doctor or pharmacist before use.
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