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 Capsule(s) · 1 per day

Not Present

• 

  Bluebonnet L-Tryptophan 500 mg

  iHerb4.6(84)

  $24.76
• 

  Bluebonnet Nutrition Targeted Choice Sleep Support

  Walmart - Highland Health Foods3.6(5)

  $27.16
• 

  Bluebonnet Targeted Choice Sleep Support

  Walmart - Bluebonnet Nutrition4.5(4)

  $14.36
• 

  Now Foods L-Tryptophan 500 mg

  NOW4.6(5600)

  $21.99
• 

  Nutricost L- Tryptophan Capsules

  iHerb4.6(1700)

  $15.95
• 

  L-Tryptophan 500mg

  Fusion Specialty Pharmacy

  $52.98
• 

  Nootropics Depot L- Tryptophan Capsules

  Nootropics Depot5.0(1)

  $29.99
• 

  Best Naturals L- Tryptophan 500 Mg 120 Capsules

  Target

  $26.95

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• Willner Chemists

  4.7 (146)

  Vitamin & supplements store

  100 Park Ave, New York, NY 10017

  Directions(800) 633-1106

• Supplement Superstore

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  8420 Eager Rd, St. Louis, MO 63144

  Directions(314) 961-3935

• Supplement Warehouse

  4.7 (229)

  Vitamin & supplements store

  181 W Crossroads Pkwy Ste F, Bolingbrook, IL 60440

  Directions(630) 965-8526

• Doctors Supplement Store

  4.6 (28)

  Vitamin & supplements store

  250 Axminister Dr, Fenton, MO 63026

  Directions(877) 846-7122

• Uscriptives

  4.4 (42)

  Vitamin & supplements store

  1535 W Loop S Ste 200, Houston, TX 77027

  Directions(800) 778-7191

• SameDaySupplements.com

  4.5 (503)

  Vitamin & supplements store

  64 Nancy St Unit c, West Babylon, NY 11704

  Directions(631) 539-7339

• GNC

  4.4 (92)

  Vitamin & supplements store

  753 Broadway Spc 753, New York, NY 10003

  Directions(212) 380-5999

• GNC

  4.7 (202)

  Vitamin & supplements store

  2 Pennsylvania Plaza Ste 29B, New York, NY 10121

  Directions(212) 239-1251

• A systematic review of the effect of L-tryptophan supplementation on mood and emotional functioning

  AM Kikuchi, A Tanabe, Y Iwahori - Journal of dietary supplements, 2021 - Taylor & Francis

  … This systematic review includes 11 RCTs that examined the effects of TRP intake on … mood in healthy adult populations. We have targeted healthy adult men and women in this review. …

  2021109 citations

• l-Tryptophan

  BMD Knapp, MJ Cupp, TS Tracy - … Supplements: Toxicology and Clinical …, 2003 - Springer

  … supplements that were commercially available in the United States include Tryptophan PRN 350 mg capsules, L-tryptophan 500 mg … be of generally worse health than controls and …

  20035 citations

• 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 …

  2018402 citations

• Omega-3 fatty acids, tryptophan, B vitamins, SAME, and hypericum in the adjunctive treatment of depression

  R Haider, A Mehdi - International Journal of Integrative Sciences, 2024 - researchgate.net

  … omega-3 fatty acid supplementation may be to follow the … health, a minimum intake of EPA and DHA mixed is 500 mg in … of acute administration of L-tryptophan on serotoninergic …

  20245 citations

• Managing mood-related symptoms utilizing diet, targeted nutrient supplementation, and lifestyle changes: A case series

  K Ross, M VanNortwick - EXPLORE, 2022 - Elsevier

  … The Office of Disease Prevention and Health Promotion reports that mental health disorders … This case series examines the use of diet, targeted nutrient supplementation with a focus on …

  20223 citations

• Amino acid fortification

  GR Jansen, AA Altschul - New protein foods, 1981 - books.google.com

  … In this review of protein improve ment by supplementation it … A further addition of 0.041% L tryptophan gave a further … daily supplements of 500 mg lysine for 6 weeks . The lysine …

  198121 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2022-12-13. DSLD Label ID: 279559. 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.