I-Tryptophan®

Amino Acids & Protein

Brand: Isotonix

PowderAmino acid/ProteinOn Market
Click to view full label

Net Contents

3.5 oz.

Serving Size

3.3–6.6 Gram(s)

Servings Per Container

30

Supplement Form

Powder

Bar Code (UPC/SKU)

Not specified

Product Version

REV 0612

Label Analysis

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

9Active Ingredients

9 distinct active ingredients are disclosed in Supplement Facts.

100%Amount Transparency

Every active ingredient discloses a specific amount per serving.

7% Daily Value Coverage

7 ingredients report a %DV; 3 meet or exceed 100% DV.

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: 3.3–6.6 Gram(s) · 1 per day

IngredientAmount Per Serving% Daily Value
Calories5 {Calories}
Total Carbohydrates1 Gram(s)1%
Sugar1 Gram(s)
Vitamin A(Beta-Carotene)850 IU17%
Vitamin C(Ascorbic Acid)75 mg125%
Niacin20 mg100%
Vitamin B6(Pyridoxine Hydrochloride)4 mg200%
Sodium(Sodium Bicarbonate)40 mg2%
Potassium(Potassium Bicarbonate)160 mg5%
L-Tryptophan500 mg

Percent Daily Values are based on a 2,000-calorie diet.

Other Ingredients

FructoseCitric AcidOrange juice powderMalic AcidOrange flavorMango flavorRebaudioside ASilicon DioxideLo Han (fruit) extract

Target Groups

Adult (18 - 50 Years)

Label Claims

All OtherStructure/Function

Directions & Suggested Use

Suggested/Recommended/Usage/Directions

Directions for adult use: For sleep support: Take 1-2 servings 30 minutes prior to bedtime. Pour 1-2 level, white bottle capfuls of powder into the overcap. Add 2 fl. oz/60ml (line on the overcap indicates 2 fl. oz/60mL) of water per capful of powder and stir.

Suggested/Recommended/Usage/Directions

For mood enhancement: Pour 1 level, white bottle capful of powder into the overcap. Add water to the line on the overcap (2 fl. oz./60 mL) and stir.

Suggested/Recommended/Usage/Directions

Maximum absorption occurs when taken on an empty stomach. As a dietary supplement, take one or two times daily, or as directed by your healthcare provider.

Warnings & Precautions

Precautions re: All Other

Do not use if safety seal is broken or missing.

Precautions re: Pregnant or Nursing or Prescription Medications

Warning: If you are currently taking monoamine oxidase inhibitors (MAOI) or other antidepressants such as Zoloft or Paxil, psychoactive or tranquilizing drugs such as Kllonopin or Vallium, or pain medications such as Demerol or Ultram, you should consult your healthcare provider before using this product. If you are using any other prescription drugs or have an ongoing medical condition, you should consult your healthcare provider before using this product. Take this supplement separately from prescription drugs. Women who are pregnant or breastfeeding should not use this product.

Precautions re: All Other

Do not drive or operate heavy machinery until you know how this product can affect you, as drowsiness may occur.

Precautions re: Children

KEEP OUT OF REACH OF CHILDREN.

Storage

Storage

Store in a cool, dry place.

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

An Isotonic-Capable Dietary Supplement

Other Label Statements

General Statements: All Other Content

Maximum absorption occurs when taken on an empty stomach. As a dietary supplement, take one or two times daily, or as directed by your healthcare provider.

General: Product/Version Code

REV 0612

General Statements: All Other Content

Helps enhance and stabilize mood May help to support a normal sleep cycle Helps maintain healthy levels of serotonin Helps promote ability to clearly assess everyday situations

General Statements: All Other Content

The world's most advanced nutraceuticals

Manufacturer & Distributor

Distributor

Market America, Inc.

1302 Pleasant Ridge Road, Greensboro, NC, 27409

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Research & Studies

  • Effects of intragastric administration of tryptophan on the blood glucose response to a nutrient drink and energy intake, in lean and obese men

    SS Ullrich, PCE Fitzgerald, P Giesbertz, RE Steinert… - Nutrients, 2018 - mdpi.com

    … orally in capsules (dose: ~3 g) 45 min before a lunch meal, or administered intraduodenally over 90 min (dose ~3.3 g), tryptophan also markedly decreased energy intake in healthy …

    201825 citations
  • Effect of gestational diet on offspring macronutrient choice and regulation by the serotonergic system in the Wistar rat

    M Payne - 2008 - utoronto.scholaris.ca

    … a daily multi-vitamin supplement to ensure adequacy for both … can alter offspring food intake and health, has prompted this … mL of isotonic saline, or an equal volume of isotonic saline (…

    2008
  • Analysis, nutrition, and health benefits of tryptophan

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

    … For example, it has been reported that the dietary supplementation of tryptophan to healthy adults (n = 35) for the study period did not result in significant changes in serum cytokine …

    2018402 citations
  • Studies on the effects of drugs on nutritional status

    D Labadarios - 1975 - search.proquest.com

    The effect of some drugs on nutritional status has been studied in the guinea pig, rat and man. 2. The chronic administration of chlordiazepoxide (Librium) to the guinea pig increases …

    197511 citations
  • Anaerobic power responses to amino acid nutritional supplementation

    CM Maresh, CL Gabaree… - … Journal of Sport …, 1991 - journals.humankinetics.com

    … All completed an extensive activity and medical history questionnaire. The activity … -gauge Teflon cannula, maintained patent with isotonic saline, was inserted into a superficial forearm …

    19917 citations
  • Neoplasms

    MJ Eadie, JH Tyrer - Neurological Clinical Pharmacology, 1980 - Springer

    … The kinetics of amylobarbitone metabolism in healthy men and women. British Journal of … preparations tested on healthy human male subjects. Pharmacology 5: 108-120 (1971). Benn. …

    1980

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2014-01-24. DSLD Label ID: 29574. 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.