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
10518TRYPEP 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
- Wheat
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: All Other
Warning: Do not drive or operate machinery immediately following use of this product; Do not take this product if you are on any medications (especially antidepressents [e.g., SSRIs (selective serotonin reuptake inhibitors)]).
Precautions re: Pregnant or Nursing or Prescription Medications
Warning: Do not drive or operate machinery immediately following use of this product; Do not take this product if you are on any medications (especially antidepressents [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
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: Milk.
Precautions re: Allergies
No wheat, gluten, soybeans, egg, fish/shellfish, or peanuts/tree nuts.
Storage
Storage
Store in a cool, dry place.
Formulation
Formulation re: Other
Jarrow Formulas L-Tryptophan Peptide uses PepForm technology.
Formula re: Contains
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.
Formulation re: Other
For relaxation, positive mood & sleep
Formula re: Contains
TRP PepForm Tryptophan Peptides
Formulation re: Vegetarian/Vegan
Veggie
Formulation re: Does NOT Contain
No wheat, gluten, soybeans, egg, fish/shellfish, or 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
Brand IP Statement(s) re: (c), (TM), (SM)
PepForm is a trademark of Glanbia plc.
Brand IP Statement(s) re: (c), (TM), (SM)
2018 Jarrow Formulas
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 5-HTP 100 mg 60 Capsules
Jarrow Formulas4.7(449)$27.99Jarrow Formulas L- Tryptophan 500mg 60 Capsules
biomall.bg4.5(8)$36.10Jarrow Formulas Neuro Optimiser Capsules
Village Green Apothecary4.8(1400)$41.99L- 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.
Showing representative supplement & health retailers — search above for stores in your area.
Supplements Sanctuary
3.9 (15)Vitamin & Supplements Shop
190 Birmingham Rd, Kidderminster DY10 2SJ
Holland & Barrett - Kidderminster
4.6 (16)Vitamin & Supplements Shop
13 Crown Ln, Kidderminster DY10 1AA
Your Protein Midlands
4.6 (18)Vitamin & Supplements Shop
The shop at, The Coach House, 2C Clark Rd, Wolverhampton WV3 9NW
Vitamin & Supplements Shop, Predators Gear
5.0 (358)Vitamin & Supplements Shop
53 George St, Worcester WR1 2DY
Midland Fitness and Nutrition ( Midland Supplements)
4.8 (23)Vitamin & Supplements Shop
818 Bristol Rd S, Northfield, Birmingham B31 2NS
Natural Thrive
4.8 (26)Vitamin & Supplements Shop
Unit 6, Alma Works, Darlaston Rd, Darlaston, Wednesbury WS10 7TG
Master of Nutrition
4.6 (112)Vitamin & Supplements Shop
110 Bordesley Grn, Birmingham B9 4TS
Bodyshocker Sports Supplement Warehouse
4.9 (26)Vitamin & Supplements Shop
Monkspath Business Park, Highlands Rd, Shirley, Solihull B90 4NZ
Research & Studies
… 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: a randomized …
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
… in our bodies to support healthy metabolism may be the most … research and development at Jarrow Formulas, Los Angeles, … with PeptoPro, a mixture of water-soluble peptides that can …
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 …
2016Key Strategies for Weight Management
K Chiarello-Ebner - 2015 - wholefoodsmagazine.com
… mg or 3,000 mg doses of L-tryptophan one hour before meals, … is used for making bioactive peptides from these three main … health care professional before beginning a new supplement. …
2015
Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2019-12-22. DSLD Label ID: 212250. 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.
Related Products
100% Beef Aminos
Universal
100% Beef Aminos
Universal
100% Beef Aminos
Universal
100% Beef Aminos
Universal