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L-Tryptophan®

Other Combinations

Brand: Source Naturals

Tablet or PillOther CombinationsOff Market
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Net Contents

120 Tablet(s)

Serving Size

1–3 Tablet(s)

Servings Per Container

40

Supplement Form

Tablet or Pill

Bar Code (UPC/SKU)

0 21078 01980 0

Product Version

SN1980 REV D171

Label Analysis

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

3Active Ingredients

3 distinct active ingredients are disclosed in Supplement Facts.

100%Amount Transparency

Every active ingredient discloses a specific amount per serving.

2% Daily Value Coverage

2 ingredients report an established %DV per serving.

3Dietary Attributes

Label states: Vegetarian, Non-GMO, 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

Contains

  • Milk
  • Egg
  • 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: 1–3 Tablet(s) · 1–3 per day

IngredientAmount Per Serving% Daily Value
Calcium52 mg5%
Iron570 mcg3%
L-Tryptophan1.5 Gram(s)—

Not Present

Other Ingredients

Dibasic Calcium PhosphateStearic Acidmodified Cellulose GumSilica

Target Groups

VegetarianAdult (18 - 50 Years)Gluten FreeDairy FreeSugar Free

Label Claims

All OtherStructure/Function

Directions & Suggested Use

Suggested/Recommended/Usage/Directions

Suggested Use: 1 tablet three times daily, between meals and preferably with fruit juice. To support restful sleep, take 3 tablets before bed.

Warnings & Precautions

Precautions re: Pregnant or Nursing or Prescription Medications

Caution: If you are pregnant, may become pregnant, breastfeeding, or are taking medications such as SSRIs or MAOIs consult your health care professional before using this product.

Precautions re: All Other

Do not use if either tamper-evident seal is broken or missing.

Precautions re: Children

Keep out of the reach of children.

Storage

Storage

Store in a cool, dry place.

Formulation

Formulation re: Vegetarian/Vegan

Suitable for Vegetarians.

Formulation re: Does NOT Contain

Contains no yeast, dairy, egg, gluten, soy or wheat. Contains no sugar, starch, salt, preservatives, or artificial color, flavor or fragrance.

Formulation re: Does NOT Contain

Non GMO Validated

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

General Statements: All Other Content

Mood, relaxation, sleep 500 mg

General Statements: All Other Content

The essential amino acid L-tryptophan helps support relaxation, restful sleep, and positive mood. It plays a part in the synthesis of both melatonin and serotonin, hormones involved with mood and stress response and sleep/wake cycles. L-Tryptophan also supports immune functions because it is the body's precursor to the kynurenines that regulate immunity. If needed, L-Tryptophan converts to niacin in the body, which supports circulation, a healthy nervous system, the metabolism of food, and the production of hydrochloric acid for the digestive system. Source Naturals L-Tryptophan is extremely pure and is regularly tested to ensure the highest standards of quality.

General: Product/Version Code

SN1980 REV D171

Seals/Symbols

Non GMO Validated

Manufacturer & Distributor

Distributor

Source Naturals, Inc.

P. O. Box 2118, Santa Cruz, CA, 95062

Market Reference

$9.79 – $124.50· 40 listings

  • L-Tryptophan Source Naturals

    iHerb4.6(1100)
    $21.81

  • Source Naturals L-Tryptophan with Coenzyme B-6

    Vitacost.com4.6(287)
    $20.55

  • Source Naturals Serene Science L- Tryptophan 120 Capsule

    Herbs Direct4.6(1100)
    $24.46

  • Source Naturals L- Tryptophan with Coenzyme B-6

    Herbs Direct4.8(72)
    $14.68

  • Best Naturals L-Tryptophan mg 60

    Target4.7(74)
    $9.99

  • Source Naturals L-Tryptophan 500mg

    PointBlank Nutrition4.6(1100)
    $19.99

  • Nutricost L- Tryptophan Capsules

    Target4.6(1600)
    $15.95

  • Horbaach L Tryptophan 1500mg 180 Capsules

    Walmart - Carlyle Nutritionals, LLC4.8(30)
    $19.69

Where to Buy Locally

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Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2017-05-24. DSLD Label ID: 73851. 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.

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