Brand: BulkSupplements.com

PowderOn Market
Click to view full label

Net Contents

500 Gram(s); 17.6 Ounce(s)

Serving Size

500 mg [about 1/5 tsp]

Servings Per Container

Not specified

Supplement Form

Powder

Bar Code (UPC/SKU)

X000IVXQ1R

Product Version

Not specified

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.

Market Reference

$12.99 – $699.99· 20 listings
  • BulkSupplements L-Tryptophan Capsules

    BulkSupplements.com4.8(112)
    $18.97
  • L- Tryptophan Supplement Powder

    BulkSupplements.com4.9(119)
    $30.97
  • BulkSupplements.com 5-HTP Capsules 5-Hydroxytryptophan Amino Acid Supplement

    BulkSupplements.com4.8(809)
    $25.97
  • BulkSupplements 5-HTP Capsules

    BulkSupplements.com4.8(796)
    $25.97
  • PureBulk L- Tryptophan Bags

    PureBulk5.0(16)
    $49.50
  • BESTVITE L-Tryptophan 500mg per Capsule No Stearates

    Walmart - BESTVITE INC4.7(183)
    $17.99
  • Vitamatic L- Tryptophan 1000mg 120 Tablets

    iHerb4.7(331)
    $14.99
  • Bulk L-Tryptophan 1 Kilogram - Highest Quality Ingredients - Bulk Supplements - Wholesale Ingredients - Bulk Ingredients - BoxNutra - Bulk Supplements

    BoxNutra
    $60.00

Where to Buy Locally

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.

Research & Studies

  • 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: 254832. 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.