L-Tryptophan

Suggested Use

Suggested use: As a dietary supplement; take 500 mg (about 1/5 tsp) once or twice daily; or as directed by a physician.

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  BulkSupplements L-Tryptophan Capsules

  BulkSupplements.com4.8(112)

  $18.97
• 

  L- Tryptophan Supplement Powder

  BulkSupplements.com4.9(119)

  $30.97
• 

  BulkSupplements 5-HTP Powder

  BulkSupplements.com4.8(809)

  $21.97
• 

  BulkSupplements 5-HTP Capsules

  BulkSupplements.com4.8(796)

  $25.97
• 

  Bulk L-Tryptophan 1 Kilogram - Highest Quality Ingredients - Bulk Supplements - Wholesale Ingredients - Bulk Ingredients - BoxNutra - Bulk Supplements

  BoxNutra

  $60.00
• 

  Vitamatic L- Tryptophan 1000mg 120 Tablets

  iHerb4.7(331)

  $14.99
• 

  PureBulk L- Tryptophan Bags

  PureBulk5.0(16)

  $49.50
• 

  BESTVITE L-Tryptophan 500mg per Capsule No Stearates

  Walmart - BESTVITE INC4.7(183)

  $17.99

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.

• Supplement Superstore

  5.0 (895)

  Vitamin & supplements store

  699 Gravois Bluffs Blvd, Fenton, MO 63026

  Directions(636) 717-1888

• The Vitamin Shoppe

  4.5 (165)

  Vitamin & supplements store

  7025 S Lindbergh Blvd, St. Louis, MO 63125

  Directions(314) 845-1671

• Doctors Supplement Store

  4.6 (28)

  Vitamin & supplements store

  250 Axminister Dr, Fenton, MO 63026

  Directions(877) 846-7122

• Planet Health

  4.5 (24)

  Vitamin & supplements store

  5A Clarkson Rd, Ellisville, MO 63011

  Directions(636) 527-8888

• Good 4 U Nutrition

  4.7 (45)

  Health food store

  3940 Jeffco Blvd, Arnold, MO 63010

  Directions(636) 467-2000

• Supplement Superstore

  5.0 (1080)

  Vitamin & supplements store

  2259 Michigan Ave, Arnold, MO 63010

  Directions(636) 333-2899

• The Vitamin Shoppe

  4.6 (171)

  Vitamin & supplements store

  1490 S Hanley Rd, St. Louis, MO 63144

  Directions(314) 647-2548

• Supplement Superstore

  5.0 (1305)

  Vitamin & supplements store

  7449 S Lindbergh Blvd, St. Louis, MO 63125

  Directions(314) 416-8800

• Wetting tryptophan with calcium pantothenate

  MJ Marchywka - academia.edu

  All chemicals have physical or other properties that may be forgotten with some label such as” vitamin.” In the case of hydrophobic nutrients, incidental mixtures with surfactants or …

  3 citations

• Adding free leucine to a balanced essential amino acid mixture suppresses intracellular transamination of isoleucine and valine in healthy older adults

  SB Knezek, MPKJ Engelen, KS Coyle, CN Perez… - Clinical Nutrition, 2026 - Elsevier

  Background Adding leucine (LEU) to protein meals enhances protein anabolism, but excess LEU reduces valine (VAL) and isoleucine (ILE) plasma concentrations. We examined in …

  2026

• Food Materials Science: Effects of Polyphenols on Sucrose Crystallization and Characterization and Creation of Alternative Salts of Thiamine

  CJ Felten - 2018 - search.proquest.com

  Proper understanding of materials science is critical in understanding the functionality of ingredients in food products, as well as their behavior in these products over time. Amorphous …

  20181 citations

• Kokumi flavour ingredient from beef lung-development of pilot scale processing

  J Kim, R Ahmad, P Middlewood, S Haines, M Agasid… - 2025 - ampc.com.au

  The potential of beef lung and liver as kokumi seasoning ingredients was first evaluated at bench-scale in a previous project (No: 2024-1087). Building on those findings, this project (No…

  2025

• Restricting lysine normalizes toxic catabolites associated with ALDH7A1 deficiency in cells and mice

  AS Johal, HH Al-Shekaili, M Abedrabbo, AZ Kehinde… - Cell Reports, 2024 - cell.com

  Lysine metabolism converges at α-aminoadipic semialdehyde dehydrogenase (ALDH7A1). Rare loss-of-function mutations in ALDH7A1 cause a toxic accumulation of lysine catabolites…

  202411 citations

• On the age distribution of sars-cov-2 patients

  MJ Marchywka - 2020 - academia.edu

  … Human NOAEL Amount/Dose Dosing Comments L-Tryptophan …

  202015 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2021-09-24. DSLD Label ID: 254830. 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.