L-Tryptophan 500 mg™

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: 1–3 Capsule(s) · 1 per day

Not Present

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  Protocol For Life Balance L-Tryptophan 500 mg

  Herbs Direct4.7(96)

  $42.00
• 

  Nutricost L- Tryptophan Capsules

  Target4.6(1600)

  $15.95
• 

  Protocol For Life - L-Tryptophan 500mg - 60 Capsules

  Pure Prescriptions4.7(96)

  $23.00
• 

  Life Extension L- Tryptophan 500 mg 90 Capsules

  Walmart - Life Extension Buyers Club4.7(496)

  $21.03
• 

  Swanson L- Tryptophan 500mg 60 Caps

  Swanson Health Products4.8(2700)

  $13.69
• 

  PROTOCOL FOR LIFE L-Tryptophan 500 mg - 60 Veg Caps

  Hasan Mirza, MD4.7(96)

  $23.00
• 

  Now Foods L- Tryptophan 500mg 90 Veg Capsules

  PureFormulas.com4.6(4600)

  $16.96
• 

  L-Tryptophan Pure Encapsulations

  Pure Prescriptions4.6(40)

  $72.50

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.

• COLORADO DISCOUNT NUTRITION

  5.0 (1070)

  Vitamin & supplements store

  6975 W 88th Ave F, Westminster, CO 80021

  Directions(720) 920-9775

• Nutrition Company Westminster

  4.8 (173)

  Vitamin & supplements store

  5160 W 120th Ave Ste D, Westminster, CO 80020

  Directions(303) 465-6008

• Hybrid Nutrition

  5.0 (43)

  Vitamin & supplements store

  12910 Zuni St #500, Westminster, CO 80234

  Directions(303) 918-3745

• Supplement Giant

  5.0 (306)

  Vitamin & supplements store

  8747 Sheridan Blvd, Westminster, CO 80003

  Directions(303) 429-2900

• COLORADO DISCOUNT NUTRITION

  5.0 (847)

  Vitamin & supplements store

  1250 E 104th Ave, Thornton, CO 80233

  Directions(720) 749-5102

• Ironwolf Nutrition

  5.0 (2)

  Vitamin & supplements store

  555 Burbank St unit K, Broomfield, CO 80020

  Directions

• The Vitamin Shoppe

  4.3 (189)

  Vitamin & supplements store

  11985 Washington St Unit #1, Denver, CO 80233

  Directions(303) 920-9292

• GNC

  3.8 (25)

  Vitamin & supplements store

  2430 Arapahoe Ave, Boulder, CO 80302

  Directions(303) 440-7603

• Analysis, nutrition, and health benefits of tryptophan

  M Friedman - International Journal of Tryptophan Research, 2018 - journals.sagepub.com

  … of some of the reported health-promoting aspects of … Here, tryptophan refers to l-tryptophan and the isomeric form … the dietary supplementation of tryptophan to healthy adults (n …

  2018398 citations

• L-Tryptophan: Basic Metabolic Functions, Behavioral Research and Therapeutic Indications

  DM Richard, MA Dawes, CW Mathias… - International …, 2009 - journals.sagepub.com

  … uses of L-tryptophan, particularly L-tryptophan depletion, and on clinical trials that have been conducted using L-tryptophan supplementation… are necessary for general healthy nutrition. …

  2009967 citations

• The kinetic and mechanistic characterization of GAPDH and QPRTase from Mycobacterium tuberculosis

  B Wolfson-Stofko - 2014 - search.proquest.com

  … (HBC) with incidence rates ranging between 150 - 500 per 100,000 in contrast to high-income countries with incidence rates as low as 10 per 100,000 (World Health … using Ltryptophan …

  2014

• Optimizing protein quality: synergies and comparisons of single and combined alternative proteins from diverse sources

  K Broucke, S Van De Walle, M Mefleh… - … Food Research and …, 2025 - Springer

  … Threonine is also available on the market as a dietary supplement, and its intake has been associated with maintaining a healthy gut [78, 81]. All the tested alternative protein sources …

  202518 citations

• Diseases of the Autonomic

  JJ Pasternak, WL Lanier Jr… - … Anesthesia and Co …, 2008 - books.google.com

  … Medical treatment of patients with orthostatic intolerance syndrome includes attempts to … of HBV or HBC in the transplant recipient must be considered by the health care providers. …

  2008

• Mitigation of stress in fish through nutraceuticals

  T Varghese, SAD SanalEbeneeza, AK Pal - Development, 2021 - medtextpublications.com

  … and health. … supplementation of L-tryptophan ameliorates thermal stress, augments growth and modulates immunity in L. rohita fingerlings [85]. Also, studies on the role of L-tryptophan …

  202130 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2017-06-23. DSLD Label ID: 74991. 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.