L-Tryptophan 500 mg®

Amino Acids & Protein

Brand: Bronson Laboratories

CapsuleAmino acid/ProteinOn Market
Click to view full label

Net Contents

90 Capsule(s)

Serving Size

2 Capsule(s)

Servings Per Container

45

Supplement Form

Capsule

Bar Code (UPC/SKU)

7 16563 37101 2

Product Version

ITEM# 371 REF 0119

Label Analysis

Objective insights generated automatically from the official DSLD label — a quick, factual read of how this product is formulated and disclosed.

1Active Ingredients

Single-ingredient formula listed in Supplement Facts.

100%Amount Transparency

Every active ingredient discloses a specific amount per serving.

This analysis is generated algorithmically from label data for educational reference only. It is not a product endorsement, ranking, or medical advice.

Supplement Facts

Serving Size: 2 Capsule(s) · 1 per day

IngredientAmount Per Serving
L-Tryptophan500 mg

Not Present

Other Ingredients

GelatinDicalcium PhosphateMicrocrystalline CelluloseStearic AcidMagnesium StearateSilicon Dioxide

Target Groups

Adult (18 - 50 Years)Women (not pregnant or lactating)

Label Claims

All OtherStructure/Function

Directions & Suggested Use

Suggested/Recommended/Usage/Directions

Once daily

Suggested/Recommended/Usage/Directions

Directions: As a dietary supplement for adults, take 2 capsules daily or as directed by a healthcare professional.

Warnings & Precautions

Precautions re: Pregnant or Nursing or Prescription Medications

Warning: Do not take if pregnant or nursing.

Precautions re: Children

Not intended for use by persons under the age of 18.

Precautions re: All Other

Causes drowsiness. Alcohol may intensify this effect. Do not take if you are operating machinery or a vehicle.

Precautions re: Children

Keep out of reach of children.

Storage

Storage

Store at room temperature.

Formulation

Formulation re: Other

Supports healthy sleep cycles Helps promote healthy mood, cognitive, and sleep functions

Formula re: Contains

90 count Essential amino acid 500 mg per serving

Formulation re: Other

Lab tested Made from high quality ingredients

FDA Statements

FDA Statement of Identity

Dietary Supplement

FDA Disclaimer Statement

These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.

Other Label Statements

Brand IP Statement(s) re: (c), (TM), (SM)

Bronson Since 1960 Nutrition+

General Statements: All Other Content

365 days 100% money back guaranteed

Seals/Symbols

GMP good manufacturing practice

General Statements: All Other Content

Nutrition questions or comments? Mon. - Fri. 7 AM - 6 PM MST Sat. 8 AM - 4:30 PM MST

Manufacturer & Distributor

Manufacturer

Bronson Laboratories

350 South 400 West #102, Lindon, UT, 84042, USA

1-800-235-3200

Market Reference

$9.74 – $299.99· 40 listings
  • Bronson L- Tryptophan Capsules

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  • Bronson L-tryptophan 500 Mg High Potency Essential Amino Acid Supports

    eBay - supp-delight
    $20.99
  • Bronson L-tryptophan 500 Mg, High Potency Essential Amino Acid,

    eBay - kardiackid216
    $23.01
  • Swanson L- Tryptophan 500 mg 90 Veggie Capsules

    Target4.7(2000)
    $13.69
  • Nootropics Depot L- Tryptophan Capsules

    Nootropics Depot5.0(1)
    $29.99
  • BESTVITE L-Tryptophan 500mg per Capsule No Stearates

    Walmart - BESTVITE INC4.7(174)
    $17.99
  • L- Tryptophan

    SFI Health
    $43.99
  • L-Tryptophan 500mg

    Fusion Specialty Pharmacy
    $52.98

Where to Buy Locally

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Research & Studies

  • Effect of n-3 fatty acids on free tryptophan and exercise fatigue

    DM Huffman, TS Altena, TP Mawhinney… - European journal of …, 2004 - Springer

    … In conclusion, n-3fa supplementation did not diminish free Trp … : health history, physical activity, dietary history, and daily … a total of 500 mg of n-3fa per capsule (Super EPA-500, Bronson …

    200473 citations
  • 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 positive and negative mood in healthy adult populations. We have targeted healthy adult men and …

    2021109 citations
  • Metabolic Regulation of T cell Responses by Antigen Presenting Cells

    RR Crowther - 2022 - search.proquest.com

    … Despite modern scientific and medical advances, the World Health Organization estimates that … Our lab investigates on how the immune system utilizes nutrients in their efforts to control …

    2022
  • Supplementing healthy women with up to 5.0 g/d of L-tryptophan has no adverse effects

    C Hiratsuka, T Fukuwatari, M Sano, K Saito… - The Journal of …, 2013 - academic.oup.com

    … of L-tryptophan (L-Trp) in dietary supplements, determination of the no-observed-adverse-effect-level is desirable for public health … for excess L-Trp in healthy humans. A randomized, …

    201379 citations
  • Health benefits of tryptophan in children and adults

    BN Nayak, HS Buttar - J. Pharm. Sci. Technol. Manage, 2015 - pharmacy.nmims.edu

    … overview of the role of L-tryptophan in the synthesis of serotonin, … trials suggest that L-tryptophan supplementation may be … [7], the kynurenine pathway depicts an aerobic L-tryptophan …

    201512 citations
  • Moods, emotions, and aging: Hormones and the mind-body connection

    PJ Bronson - 2013 - books.google.com

    … is experiencing a medical issue, professional medical help is … deaths were associated with Ltryptophan use in the United … is currently available and marketed as a dietary supplement. …

    20132 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2021-10-22. DSLD Label ID: 257545. 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.