Tryptophan 480 mgnone
Amino Acids & ProteinBrand: Dr. Clark Research Association Dr. Clark Zentrum
Functions
Net Contents
100 Capsule(s)
Serving Size
1–2 Capsule(s)
Servings Per Container
50
Supplement Form
Capsule
Bar Code (UPC/SKU)
7 640116 929715
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.
Single-ingredient formula listed in Supplement Facts.
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: 1–2 Capsule(s) · 1 per day
| Ingredient | Amount Per Serving | |
|---|---|---|
| L-Tryptophan | 960 mg | — |
Not Present
Other Ingredients
Target Groups
Label Claims
Directions & Suggested Use
Suggested/Recommended/Usage/Directions
Adults and children 12 or more years of age: 1-2 capsules daily or as directed.
Warnings & Precautions
Precautions re: Children
Store out of reach of young children.
Precautions re: All Other
Dietary supplements/food supplements should not be used as a substitute for a varied diet. Do not exceed the stated recommended daily dose.
Storage
Storage
Store in a dry, cool place.
Formulation
Formulation re: Other
Made in the USA.
FDA Statements
FDA Statement of Identity
Dietary Supplement/Food Supplement
Other Label Statements
General Statements: All Other Content
Nominal weight: 60 g % DV = % Daily Value
Manufacturer & Distributor
Distributor
Dr. Clark Zentrum Limited
152 Naxxar Road #7, SGN 9030, San Gwann, Malta
Manufacturer
Dr. Clark Research Association Dr. Clark Zentrum
Market Reference
Zentrum Tryptophan
Naturitas$13.97LowestDoctor's Best L- Tryptophan 500 mg 90 Veggie Caps
Swanson Health Products4.7(642)$19.99L-Tryptophan Pure Encapsulations
Healthy Habits Living4.6(42)$124.50L- Tryptophan Powder
Jo Mar Labs$41.80L-Tryptophan Complete Lidtke
Curated Wellness4.8(16)$29.95Professional Formulas L- Tryptophan 2oz
Blue Sky Vitamin$21.00Protocol For Life Balance L-Tryptophan 500 mg
Herbs Direct4.7(143)$23.00Advanced Nutrition L- Tryptophan 60 Capsules
PureFormulas.com5.0(28)$14.60
Where to Buy Locally
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Supplement Store GDL
4.8 (34)Vitamin & Supplements Shop
Av. Adolfo López Mateos Sur 4186-int 7B, Loma Bonita, 45088 Zapopan, Jal., Mexico
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Plaza matisse, Calzada Nte 7196-primer piso, Granja, 45010 Zapopan, Jal., Mexico
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Av Rafael Sanzio 55, Camichines Vallarta, 45030 Zapopan, Jal., Mexico
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Calz. Independencia Norte 2655-Loc 206, Fovissste Estadio, 44240 Guadalajara, Jal., Mexico
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Av. Patria 1520 A, Universitaria, 45110 Zapopan, Jal., Mexico
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5.0 (36)Vitamin & Supplements Shop
Río Atemajac 1019, Olímpica, 44430 Guadalajara, Jal., Mexico
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4.9 (11)Vitamin & Supplements Shop
Av. Patria 477, 5 de Mayo, 44970 Guadalajara, Jal., Mexico
Research & Studies
Branched-chain amino acids impact health and lifespan indirectly via amino acid balance and appetite control
…, VC Cogger, T Pulpitel, D Wahl, X Clark… - Nature …, 2019 - nature.com
… amino acids and dietary BCAAs; Supplementary Table 2). Supplementation of Trp or Thr, two … To determine if a reduced Trp:BCAA ratio in the plasma and cortex reflects central Trp-…
2019380 citationsNutritional therapy to modulate tryptophan metabolism and aryl hydrocarbon-receptor signaling activation in human diseases
M Ghiboub, CM Verburgt, B Sovran, MA Benninga… - Nutrients, 2020 - mdpi.com
… advances concerning Trp metabolism and AhR signaling in human health and disease, with … results upon dietary Trp supplementation. Not only did additional (L-)tryptophan (L-Trp) lead …
202099 citationsTryptophan metabolism and gut microbiota: a novel regulatory axis integrating the microbiome, immunity, and cancer
Y Hou, J Li, S Ying - Metabolites, 2023 - mdpi.com
… -tryptophan metabolic axis in health and disease, mechanisms of cross-talk, and implications for human health … Supplementation with Lactobacillus and Bifidobacterium probiotics has …
2023227 citationsHow important is tryptophan in human health?
J Kałużna-Czaplińska, P Gątarek… - Critical reviews in …, 2019 - Taylor & Francis
… This information leads to the consideration of Trp as an … of Trp in diet and nutraceutical supplementation should be … , several researchers have suggested that Trp supplementation …
2019398 citationsBiochemical and dietary functions of tryptophan and its metabolites in human health
BN Nayak, RB Singh, HS Buttar - … foods and nutraceuticals in metabolic and …, 2022 - Elsevier
… For babies who are not breastfed, addition of tryptophan in infant formula … Tryptophan-containing infant formulas help to increase … roles of tryptophan and its metabolites in human health, …
202230 citationsAnalysis, 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
Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2020-06-24. DSLD Label ID: 223451. 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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