L-Tryptophan™

Objective insights generated automatically from the official DSLD label — a quick, factual read of how this product is formulated and disclosed.

This analysis is generated algorithmically from label data for educational reference only. It is not a product endorsement, ranking, or medical advice.

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.

Serving Size: 0.5 Gram(s) · 1–3 per day

Based on 2,000 calorie diet.

• 

  NOW Foods L- Tryptophan Relaxation Support Capsules

  Vitacost.com4.6(4100)

  $13.46
• 

  The Vegan Shoppe L- Tryptophan 500mg 120 Veggie Capsules

  The Vitamin Shoppe4.7(45)

  $36.99
• 

  L- Tryptophan Supplement Powder

  Walmart - BulkSupplements.com4.9(119)

  $28.97
• 

  Lidtke Technologies L- Tryptophan Chewable 30 Caps

  Lidtke Technologies4.6(15)

  $15.95
• 

  Now Foods L-Tryptophan 500 mg

  Wonder Laboratories4.6(5600)

  $23.39
• 

  Prescribed for Life Tryptophan Essential Free Form Amino Acid Powder

  Prescribed For Life

  $134.99
• 

  Nootropics Depot L- Tryptophan Capsules

  Nootropics Depot5.0(1)

  $29.99
• 

  L- Tryptophan Powder

  Vitacost.com4.5(158)

  $22.03

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.

• Supplement Superstore

  5.0 (1389)

  Vitamin & supplements store

  8420 Eager Rd, St. Louis, MO 63144

  Directions(314) 961-3935

• The Vitamin Shoppe

  4.6 (175)

  Vitamin & supplements store

  1490 S Hanley Rd, St. Louis, MO 63144

  Directions(314) 647-2548

• Supplement Superstore

  5.0 (1306)

  Vitamin & supplements store

  7449 S Lindbergh Blvd, St. Louis, MO 63125

  Directions(314) 416-8800

• The Vitamin Shoppe

  4.5 (167)

  Vitamin & supplements store

  7025 S Lindbergh Blvd, St. Louis, MO 63125

  Directions(314) 845-1671

• Supplement Superstore

  5.0 (660)

  Vitamin & supplements store

  8184 N Lindbergh Blvd, Florissant, MO 63031

  Directions(314) 839-7782

• Supplement Superstore

  5.0 (1144)

  Vitamin & supplements store

  14004 Manchester Rd #4514, Ballwin, MO 63011

  Directions(636) 391-1085

• Supplement Superstore

  5.0 (895)

  Vitamin & supplements store

  699 Gravois Bluffs Blvd, Fenton, MO 63026

  Directions(636) 717-1888

• Supplement Superstore

  5.0 (1082)

  Vitamin & supplements store

  2259 Michigan Ave, Arnold, MO 63010

  Directions(636) 333-2899

• The therapeutic potential of diet on immune-related diseases: based on the regulation on tryptophan metabolism

  J Lin, D Sun-Waterhouse, C Cui - Critical Reviews in Food Science …, 2022 - Taylor & Francis

  … As an essential amino acid, TRP supplement was necessary for human health. Because of the potential toxicity, the administration of pure TRP is limited, and TRP in organisms is …

  202257 citations

• Nutritional management of skin diseases

  CA Outerbridge, TJ Owens - Applied Veterinary Clinical …, 2023 - Wiley Online Library

  … The skin and hair coat can provide cues and clues to underlying systemic health, with their … Niacin is endogenously synthesized in most animals from l- tryptophan, but deficiency is …

  202324 citations

• Biochemical and dietary functions of tryptophan and its metabolites in human health

  BN Nayak, RB Singh, HS Buttar - … foods and nutraceuticals in metabolic and …, 2022 - Elsevier

  … The primary objectives of this chapter are to present an overview of the potential roles of tryptophan and its metabolites in human health, including kynurenine-induced neurotoxic effects…

  202230 citations

• Psychoactive substances: a guide to ethnobotanical plants and herbs, synthetic chemicals, compounds and products

  OM Carey - 2010 - lenus.ie

  … Health Act permits the Minister for Health to make regulations to control the sale of medical … The Minister for Health may grant licenses for the manufacture, importation or sale of a …

  20108 citations

• Orthomolecular medicine for everyone: Megavitamin therapeutics for families and physicians

  A Hoffer, AW Saul - 2008 - books.google.com

  … a healthcare professional. The publisher does not advocate the use of any particular healthcare … —a few people sleep better when they take L-tryptophan, 1,000-2,000 mg per evening. …

  200868 citations

• Coach Talk

  R League - stjohnseagles.com.au

  … or objective outcomes measures when supplementing with 1.2g of LTryptophan”), … supplements identified how some distributors describe the medical standing on dietary supplements. …

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2017-04-25. DSLD Label ID: 72443. 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.