L-Tryptophan Extra Strength 1500 mg

Suggested Use

Suggested use: 1 capsult three times daily between meals and preferably with fruit juice or; to support restful sleep; take 3 capsules before bed.

• 

  L-tryptophan Supplement Nighttime Formula

  Walmart - VitaPulse5.0(1)

  $17.95
• 

  L- Tryptophan 1500 mg Per Serving 90 Quick Release Capsules 2 Bottles

  Piping Rock Health Products4.4(54)

  $16.39
• 

  L- Tryptophan 1500mg 200 Vegetarian Caps

  Walmart - NusaPure5.0(4)

  $27.30
• 

  L-tryptophan 1500mg, 240 Capsules, Non-gmo And Gluten Free Supplement,

  eBay - kardiackid2164.8(30)

  $30.00
• 

  Life Extension Tryptophan Plus Capsules

  Best Price Nutrition4.6(626)

  $8.00Lowest
• 

  L-Tryptophan Pure Encapsulations

  Milltown Pharmacy4.6(40)

  $124.50
• 

  Brieofood L- Tryptophan 1000mg per Serving 240 Capsules

  Target

  $18.99
• 

  L-tryptophan 1500mg 240 Capsules Nighttime Formula Non-gmo Gluten Free

  eBay - kreemstore5.0(1)

  $38.99

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.

• The Vitamin Shoppe

  4.5 (249)

  Vitamin & supplements store

  60 Blanding Blvd, Orange Park, FL 32073

  Directions(904) 298-1525

• GNC

  4.2 (67)

  Vitamin & supplements store

  9610 Applecross Rd Ste 106, Jacksonville, FL 32222

  Directions(904) 777-4403

• Natural Force

  5.0 (157)

  Vitamin & supplements store

  841 Prudential Dr 12th floor, Jacksonville, FL 32207

  Directions(844) 927-3733

• Jax Nutrition 4

  5.0 (9)

  Vitamin & supplements store

  5515 Roosevelt Blvd, Jacksonville, FL 32244

  Directions(904) 312-9909

• Florida Health Foods

  4.6 (58)

  Vitamin & supplements store

  7648 Lem Turner Rd, Jacksonville, FL 32208

  Directions(904) 765-2144

• GNC

  3.9 (37)

  Vitamin & supplements store

  6733 103rd St, Jacksonville, FL 32210

  Directions(904) 778-9012

• The Vitamin Shoppe

  4.7 (117)

  Vitamin & supplements store

  11200 San Jose Blvd, Jacksonville, FL 32223

  Directions(904) 886-2711

• GNC

  3.7 (15)

  Vitamin & supplements store

  987 Birmingham Ave, Jacksonville, FL 32212

  Directions(904) 870-7063

• 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

• The importance of quality specifications in safety assessments of amino acids: The cases of L-tryptophan and L-citrulline

  HA Oketch-Rabah, AL Roe, BJ Gurley… - … of nutrition, 2016 - academic.oup.com

  … , foods for special medical uses, foods for specified health uses, … EMS was reported in ;1500 individuals who were later found to … L-tryptophan supplementation does not improve running …

  201622 citations

• Phytochemical and pharmacological perspectives of wheat grain and lupin seed

  L Liu - 2009 - researchportal.scu.edu.au

  … Southan and Dr Daniel Skylas from BRI Australia Ltd for the grain … consumed as human foods for their health benefits, which may be … L-tryptophan was isolated and identified as a potent …

  200913 citations

• Effects and side effects associated with the non-nutritional use of tryptophan by humans

  JD Fernstrom - The Journal of nutrition, 2012 - academic.oup.com

  … additional amounts of Trp as an amino acid supplement. The … syndrome,’’ which requires medical attention. The symptoms of … Effect of L-tryptophan on brain serotonin metabolism in …

  2012143 citations

• DIETE E FALSE CREDENZE

  IV CAPITOLO - di Firenze, 2025 - flore.unifi.it

  … , riconosciuto da tutti i membri di una data società, fondato su … in healthy older women receiving calcium supplementation: … L-tryptophan supplementation does not improve running …

  2025

• Three Major Deficiency Diseases Harming Mankind (Protein, Retinoid, Iron) Operate Under Tryptophan Dependency

  Y Ingenbleek - Nutrients, 2025 - mdpi.com

  … nutritional hot spot of major public health problems harming mankind. Our review collects the main nutritional … The addition of dietary W supplementation should constitute a novel health …

  20251 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2025-03-25. DSLD Label ID: 326532. 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.