L-Tryptophan 1000 mg®

Amino Acids & Protein

Brand: Best Naturals

Tablet or PillAmino acid/ProteinOn Market
Click to view full label

Net Contents

60 Tablet(s)

Serving Size

1 Tablet(s)

Servings Per Container

60

Supplement Form

Tablet or Pill

Bar Code (UPC/SKU)

8 17716 01583 5

Product Version

Not Present

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.

1Dietary Attributes

Label states: Gluten-Free.

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

Allergen Guide

Free From

  • Milk
  • Egg
  • Fish
  • Wheat
  • Soy
  • Gluten

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.

Supplement Facts

Serving Size: 1 Tablet(s) · 1–3 per day

IngredientAmount Per Serving
L-Tryptophan1000 mg

Not Present

Other Ingredients

Dicalcium PhosphateCelluloseSilicaVegetable StearateStearic AcidCroscarmellose SodiumPharmaceutical Glaze

Target Groups

Adult (18 - 50 Years)Gluten FreeSugar Free

Label Claims

NutrientAll OtherStructure/Function

Directions & Suggested Use

Suggested/Recommended/Usage/Directions

Suggested Use: As a dietary supplement, take one (1) tablet one to three times daily on an empty stomach, with final dose at bedtime, or as directed by your qualified healthcare professional. Consider taking these other Best Naturals products: Inositol and Magnesium.

Warnings & Precautions

Precautions re: Children

Keep out of the reach of children.

Precautions re: All Other

Do not use if safety seal is broken or missing.

Precautions re: Pregnant or Nursing or Prescription Medications

Caution: For adults only, if you are pregnant, nursing, taking any medications or have any medical condition, consult your doctor before use.

Precautions re: All Other

Caution: For adults only, if you are pregnant, nursing, taking any medications or have any medical condition, consult your doctor before use. Discontinue use and consult your doctor if any adverse reactions occur.

Storage

Storage

Keep in cool, dry place.

Formulation

Formula re: Contains

L-Tryptophan is an essential amino acid; therefore, it is not synthesized by the body and must be obtained from the diet. L-Tryptophan is critical for the production of serotonin and melatonin, which help to support a positive mood, healthy sleep patterns, and immune system function. Best Naturals L-Tryptophan is extremely pure and is regularly tested to ensure the highest standards of quality. Certain research publications indicate that it may help support the following: Supports circulation & positive mood Supports relaxation & restful sleep Supports healthy immune function

Formulation re: Other

Premium formula

Formulation re: Other

3rd party lab tested

Formulation re: Does NOT Contain

No artificial color, flavor or sweetener, no preservatives, no sugar, no corn, no soy, no egg, no lactose, no gluten, no wheat, no fish, no yeast.

FDA Statements

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.

FDA Statement of Identity

Dietary Supplement

Other Label Statements

Seals/Symbols

Made in USA

Seals/Symbols

GMP Good Manufacturing Practice Product

General Statements: All Other Content

For additional information call 1-877-659-6004

Manufacturer & Distributor

Distributor

Best Naturals

PO Box 394, Kenilworth, NJ, 07033, USA

1-877-659-6004

Market Reference

$9.99 – $357.90· 40 listings
  • Best Naturals L-Tryptophan mg 60

    Best Naturals4.5(135)
    $10.99
  • Brieofood L- Tryptophan 1000mg per Serving 240 Capsules

    Walmart - Best Naturals
    $16.14
  • L-Tryptophan Pure Encapsulations

    Pure Prescriptions4.6(42)
    $72.50
  • NOW Foods L- Tryptophan Double Strength 1000 mg 60 Tablets

    Wonder Laboratories4.6(1400)
    $22.29
  • L-Tryptophan with Vitamin B-6 1000 mg Source Naturals

    iHerb4.8(76)
    $36.73
  • Pure Naturals L- Tryptophan 1000mg Tablets

    Walmart - Vitaminshub4.4(5)
    $9.99Lowest
  • Vitamatic L- Tryptophan 1000mg 120 Tablets

    Target4.7(384)
    $14.99
  • Pure Naturals L- Tryptophan Dietary Supplement

    Walmart - Vitaminshub5.0(1)
    $15.29

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.

  • STRONGER SUPLEMENTOS

    5.0 (2)

    Vitamin & supplements store

    R. Pinto Barreiro 74, 2580-499 Carregado

  • ProduNats

    5.0 (4)

    Vitamin & supplements store

    R. de Palha Blanco 86 Lj 9, 2600-667 Castanheira do Ribatejo

  • PrimeBody (Arroios)

    4.9 (194)

    Vitamin & supplements store

    R. Passos Manuel 83B, 1150-258 Lisboa

  • NutriLx Store

    4.9 (135)

    Vitamin & supplements store

    Loja 1 dentro da Estação Metro Campo Pequeno, Av. da República 63B, 1050-189 Lisboa

  • PrimeBody Nutrishop - Bela Vista

    4.9 (185)

    Vitamin & supplements store

    Avenida Francisco Salgado Zenha, 12,, Centro Comercial Pingo Doce da Bela Vista, 1900-238 Lisboa

  • DietSport-Lisboa

    4.4 (35)

    Vitamin & supplements store

    Centro Comercial Martim Moniz 1°piso Praça Martim Moniz Lj D3, 1100-341 Lisboa

  • Fontexplode (Odivelas)

    4.9 (15)

    Vitamin & supplements store

    Centro Comercial Oceano, Av. Dom Dinis 68-A Loja 13, 2675-328 Odivelas

  • Nutranyma

    5.0 (206)

    Vitamin & supplements store

    Tapada das Mercês, Av. Miguel Torga 72 Lj A, 2725-566 Algueirão-Mem Martins

Research & Studies

  • Protein source tryptophan versus pharmaceutical grade tryptophan as an efficacious treatment for chronic insomnia

    C Hudson, SP Hudson, T Hecht… - Nutritional …, 2005 - Taylor & Francis

    … myalgia syndrome (EMS), a serious medical condition that can result in fatality and its sale is … not clear with most cases arising from L-tryptophan supplied by Showa Denka KK in 1989 …

    2005138 citations
  • Role of tryptophan in health and disease: Systematic review of the anti-oxidant, anti-inflammation, and nutritional aspects of tryptophan and its metabolites

    RB Singh - World Heart Journal, 2019 - search.proquest.com

    … L-Tryptophan is an essential amino acid that is needed for the synthesis of proteins and several important bioactive molecules such as serotonin, melatonin, kynurenine and niacin. It …

    201960 citations
  • Effectiveness of Silymarin, Sulforaphane, Lycopene, Green Tea, Tryptophan, Glutathione, and Escin on Human Health: A Narrative Review.

    F Sebastiani, C D'Alterio, C Vocca, L Gallelli… - Uro, 2023 - search.ebscohost.com

    … effect of dietary supplementation with seven active principles, ie, lycopene, sulforaphane, silymarin, glutathione, escin, tryptophan, and green tea catechins, on human health. Methods: …

    202310 citations
  • Analysis, nutrition, and health benefits of tryptophan

    M Friedman - International Journal of Tryptophan Research, 2018 - journals.sagepub.com

    … Here, tryptophan refers to l-tryptophan and the isomeric form produced during food … in the absence of l-tryptophan; ie, the mice must meet the entire need for l-tryptophan from the d-…

    2018402 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
  • L-Tryptophan: Sources and Benefits

    L Does, TMY Sleepy - qualialife.com

    … that L-tryptophan has niacin equivalent activity in the body (ie, we can make NAD + molecules from it). L-tryptophan … not be considered medical advice. Please speak with an appropriate …

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2022-06-16. DSLD Label ID: 270649. 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.