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 l -tryptophan在线销售 - 30个蔬菜胶囊,500mg

  DailyVita4.6(84)

  $14.36
• 

  Bluebonnet Targeted Choice Sleep Support

  Walmart - Bluebonnet Nutrition4.5(4)

  $14.36
• 

  The Vegan Shoppe L- Tryptophan 500mg 120 Veggie Capsules

  The Vitamin Shoppe4.7(45)

  $36.99
• 

  Nutricost L- Tryptophan Capsules

  iHerb4.6(1700)

  $15.95
• 

  Now Foods L-Tryptophan 500 mg

  NOW4.6(5600)

  $21.99
• 

  Montiff L Tryptophan 500 mg 60 Caps

  Blue Sky Vitamin4.7(7)

  $55.20

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• ITL Health

  5.0 (37)

  Vitamin & Supplements Shop

  50 Broadway, London SW1H 0BL

  Directions0118 321 7628

• RightNutri

  4.9 (78)

  Vitamin & Supplements Shop

  26 Queenstown Rd, London SW8 3RX

  Directions0800 098 8888

• Love Life Supplements

  4.8 (87)

  Vitamin & Supplements Shop

  wellington house, East Rd, Petersfield, Cambridge CB1 1BH

  Directions0800 122 3351

• London Supplements

  3.7 (84)

  Vitamin & Supplements Shop

  13, Waverley Industrial Park Waverley Industrial Estate, Hailsham Dr, Harrow HA1 4TR

  Directions020 8863 0300

• British Supplements

  3.4 (275)

  Vitamin & Supplements Shop

  34, New House, 67-68 Hatton Garden, London EC1N 8JY

  Directions07768 405406

• Novomins

  4.9 (480)

  E-commerce service

  Suite 1000, 405 King's Rd, London SW10 0BB

  Directions01863 723207

• Supplemented

  4.7 (192)

  Vitamin & Supplements Shop

  Online Retail Ltd Box 1031A, Surbiton, Kingston upon Thames KT1 9AH

  Directions

• British Supplements

  5.0 (484)

  Vitamin & Supplements Shop

  9-11 Thomas St, Portadown, Craigavon BT62 3NP

  Directions

• 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: 279560. 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.