L-Tryptophan Peptide®
Amino Acids & ProteinBrand: Jarrow Formulas
Net Contents
60 Tablet(s)
Serving Size
2 Tablet(s)
Servings Per Container
30
Supplement Form
Tablet or Pill
Bar Code (UPC/SKU)
7 90011 15067 1
Product Version
02214TRYPEP PROD # 115067
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.
Label states: Vegetarian, 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
Free From
- Egg
- Fish
- Peanut
- 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: 2 Tablet(s) · 1 per day
| Ingredient | Amount Per Serving | |
|---|---|---|
| L-Tryptophan Peptides | 1350 mg | — |
| L-Tryptophan(L-Tryptophan Peptides) | 500 mg | — |
Not Present
Other Ingredients
Target Groups
Label Claims
Directions & Suggested Use
Suggested/Recommended/Usage/Directions
USAGE: Take 2 tablets on an empty stomach 30 minutes before sleep with water or fruit juice or as directed by your qualified healthcare professional.
Warnings & Precautions
Precautions re: Pregnant or Nursing or Prescription Medications
WARNING: DO NOT take this product if you are on any medications (especially antidepressants [e.g., SSRIs (selective serotonin reuptake inhibitors)]). If you are pregnant, breastfeeding, trying to conceive, under the age of 18, or have a medical condition, consult your qualified healthcare professional before using this product.
Precautions re: Children
Keep out of the reach of children.
Precautions re: Allergies
Contains: Dairy
Precautions re: Children
If you are pregnant, breastfeeding, trying to conceive, under the age of 18, or have a medical condition, consult your qualified healthcare professional before using this product.
Formulation
Formula re: Contains
Jarrow Formulas(R) L-Tryptophan Peptide uses PepForm(R) technology.
Formula re: Contains
Contains: Dairy
Formulation re: Does NOT Contain
No wheat, no gluten, no soybeans, no egg, no fish/shellfish, no peanuts/tree nuts.
Formulation re: Vegetarian/Vegan
Suitable for vegetarians.
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
General Statements: All Other Content
L-tryptophan is an essential amino acid and must be obtained from food or supplements. L-tryptophan is metabolized to serotonin (5-hydroxytryptamine) and melatonin, which is important for relaxation, restful sleep and positive mood.*
General Statements: All Other Content
Supports Relaxation,* Positive Mood* & Sleep*
Seals/Symbols
TRP PepForm(R) Tryptophan Peptides
Seals/Symbols
v vegetarian
Brand IP Statement(s) re: (c), (TM), (SM)
PepForm(R) is a trademark of Glanbia plc.
General: Product/Version Code
02214TRYPEP PROD # 115067
Brand IP Statement(s) re: (c), (TM), (SM)
(C) 2014 Jarrow FORMULAS(R)
Manufacturer & Distributor
Distributor
Jarrow Formulas Superior Nutrition and Formulation
P.O. Box 35994, Los Angeles, CA, 90035-4317
Market Reference
Jarrow Formulas L- Tryptophan Peptide 60 Tablets
personalpower4.4(7)$19.95Jarrow Formulas L- Tryptophan 500mg 60 Capsules
Instacart4.4(7)$29.09Jarrow Formulas Neuro Optimiser Capsules
H-E-B4.8(1400)$40.09Jarrow Formulas 5-HTP 100 mg 60 Capsules
Vitacost.com4.7(454)$19.26L- Tryptophan
SFI Health$43.99Jarrow Formulas S-Acetyl L-Glutathione
iHerb4.6(578)$36.70Tryptophan
Sarasota IV Lounge$25.00Jarrow Formulas, 5-HTP, 100 mg, 90 cápsulas vegetarianas
DailyVita4.7(449)$14.99Lowest
Where to Buy Locally
Enter your city or ZIP code to find supplement & health stores in your area that may carry this product.
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Nutrition Depot
5.0 (112)Vitamin & supplements store
2005 Southwest Fwy, Houston, TX 77098, United States
Nutrition World - Pearland
4.9 (255)Vitamin & supplements store
2540 E Broadway St, Pearland, TX 77581, United States
Nutrition Depot Pearland
4.5 (99)Vitamin & supplements store
10228 W Broadway St #128, Pearland, TX 77584, United States
Simply Potent
5.0 (1)Vitamin & supplements store
2906 Payson St, Houston, TX 77021, United States
The Vitamin Shoppe
4.4 (163)Vitamin & supplements store
5829 Kirby Dr, Houston, TX 77005, United States
Potent Health Supplements
3.0 (2)Wholesaler
10917 Fullerton Dr, Houston, TX 77043, United States
All Naturale Vitamins & Herbs
4.8 (42)Vitamin & supplements store
5340 Griggs Rd Ste A, Houston, TX 77021, United States
Total Nutrition Heights
4.8 (86)Vitamin & supplements store
174 Yale St #200, Houston, TX 77007, United States
Research & Studies
Acute decrease in the plasma tryptophan-to-large-neutral-amino-acids ratio attenuates the effects of L-tryptophan on gut hormones and energy intake in healthy males …
J Anjom-Shoae, M Hajishafiee, PCE Fitzgerald… - The American journal of …, 2025 - Elsevier
… L-tryptophan (“Trp”) and L-leucine (“Leu”), when administered intraduodenally, increase plasma cholecystokinin (CCK) and glucagon-like peptide 1 (GLP-1) and stimulate pyloric …
20253 citationsAnalysis, 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 … , depending on whether they are consumed in the free state or as part of a peptide or food protein. …
2018402 citationsEnergy for the Long Haul
K Chiarello-Ebner - wholefoodsmagazine.com
… D., consultant for research and development at Jarrow Formulas, … with PeptoPro, a mixture of water-soluble peptides that can … Always seek the advice of a medical professional before …
Determining dietary tryptophan requirements in healthy pregnant females using the indicator amino acid oxidation method
N Al Mansoori - 2025 - open.library.ubc.ca
Tryptophan, an indispensable amino acid, is important during pregnancy because of increased demand for maternal protein synthesis and fetal growth and development. Tryptophan …
2025Fortification for Robust Health
G Kalra - 2016 - academia.edu
… ingredients or dietary supplements that determine specific health or 171 medical benefits counting the … L-tryptophan: basic metabolic functions, behavioral research and therapeutic 588 …
2016Dietary supplementation and intragastric infusions of L-tryptophan reduce food intake
FC Aidney - 2016 - researchcommons.waikato.ac.nz
… just prior to intragastric L-tryptophan administration, completely … L-tryptophan reduce eating behaviour stimulated by energy needs and palatability, and that the effect of L-tryptophan …
20161 citations
Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2014-10-10. DSLD Label ID: 37942. 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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