L-Tryptophan 500 mg®
Amino Acids & ProteinBrand: Bronson Laboratories
Functions
Net Contents
90 Capsule(s)
Serving Size
2 Capsule(s)
Servings Per Container
45
Supplement Form
Capsule
Bar Code (UPC/SKU)
7 16563 37101 2
Product Version
ITEM# 371 REF 0119
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: 2 Capsule(s) · 1 per day
| Ingredient | Amount Per Serving | |
|---|---|---|
| L-Tryptophan | 500 mg | — |
Not Present
Other Ingredients
Target Groups
Label Claims
Directions & Suggested Use
Suggested/Recommended/Usage/Directions
Once daily
Suggested/Recommended/Usage/Directions
Directions: As a dietary supplement for adults, take 2 capsules daily or as directed by a healthcare professional.
Warnings & Precautions
Precautions re: Pregnant or Nursing or Prescription Medications
Warning: Do not take if pregnant or nursing.
Precautions re: Children
Not intended for use by persons under the age of 18.
Precautions re: All Other
Causes drowsiness. Alcohol may intensify this effect. Do not take if you are operating machinery or a vehicle.
Precautions re: Children
Keep out of reach of children.
Storage
Storage
Store at room temperature.
Formulation
Formulation re: Other
Supports healthy sleep cycles Helps promote healthy mood, cognitive, and sleep functions
Formula re: Contains
90 count Essential amino acid 500 mg per serving
Formulation re: Other
Lab tested Made from high quality ingredients
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
Brand IP Statement(s) re: (c), (TM), (SM)
Bronson Since 1960 Nutrition+
General Statements: All Other Content
365 days 100% money back guaranteed
Seals/Symbols
GMP good manufacturing practice
General Statements: All Other Content
Nutrition questions or comments? Mon. - Fri. 7 AM - 6 PM MST Sat. 8 AM - 4:30 PM MST
Manufacturer & Distributor
Manufacturer
Bronson Laboratories
350 South 400 West #102, Lindon, UT, 84042, USA
1-800-235-3200
Market Reference
Bronson L- Tryptophan Capsules
Bronson Vitamins5.0(1)$14.99Bronson L-tryptophan 500 Mg High Potency Essential Amino Acid Supports
eBay - supp-delight$20.99Bronson L-tryptophan 500 Mg, High Potency Essential Amino Acid,
eBay - kardiackid216$23.01Swanson L- Tryptophan 500 mg 90 Veggie Capsules
Target4.7(2000)$13.69Nootropics Depot L- Tryptophan Capsules
Nootropics Depot5.0(1)$29.99BESTVITE L-Tryptophan 500mg per Capsule No Stearates
Walmart - BESTVITE INC4.7(174)$17.99L- Tryptophan
SFI Health$43.99L-Tryptophan 500mg
Fusion Specialty Pharmacy$52.98
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.
The Vitamin Shoppe
4.5 (124)Vitamin & supplements store
12970 Cortez Blvd Spc 102, Brooksville, FL 34613
GNC
4.3 (32)Vitamin & supplements store
7067 Coastal Blvd, Brooksville, FL 34613
Gator Nutrition
4.6 (25)Health food store
7048 Mariner Blvd, Spring Hill, FL 34609
A To Zinc Nutritional Shop
4.7 (91)Vitamin & supplements store
12130 US-19, Hudson, FL 34667
Get Healthy Spring Hill
4.7 (88)Vitamin & supplements store
11083 Spring Hill Dr, Spring Hill, FL 34608
Healthy Lisa's
4.9 (64)Vitamin & supplements store
12560 Spring Hill Dr, Spring Hill, FL 34609
Miracle Nutritional Products
3.8 (16)Vitamin & supplements store
8255 Commercial Way, Spring Hill, FL 34613
Your CBD Store | SUNMED - Spring Hill, FL
4.9 (61)Vitamin & supplements store
6224 Commercial Way, Spring Hill, FL 34613
Research & Studies
Effect of n-3 fatty acids on free tryptophan and exercise fatigue
DM Huffman, TS Altena, TP Mawhinney… - European journal of …, 2004 - Springer
… In conclusion, n-3fa supplementation did not diminish free Trp … : health history, physical activity, dietary history, and daily … a total of 500 mg of n-3fa per capsule (Super EPA-500, Bronson …
200473 citationsA systematic review of the effect of L-tryptophan supplementation on mood and emotional functioning
AM Kikuchi, A Tanabe, Y Iwahori - Journal of dietary supplements, 2021 - Taylor & Francis
… This systematic review includes 11 RCTs that examined the effects of TRP intake on positive and negative mood in healthy adult populations. We have targeted healthy adult men and …
2021109 citationsMetabolic Regulation of T cell Responses by Antigen Presenting Cells
RR Crowther - 2022 - search.proquest.com
… Despite modern scientific and medical advances, the World Health Organization estimates that … Our lab investigates on how the immune system utilizes nutrients in their efforts to control …
2022Supplementing healthy women with up to 5.0 g/d of L-tryptophan has no adverse effects
C Hiratsuka, T Fukuwatari, M Sano, K Saito… - The Journal of …, 2013 - academic.oup.com
… of L-tryptophan (L-Trp) in dietary supplements, determination of the no-observed-adverse-effect-level is desirable for public health … for excess L-Trp in healthy humans. A randomized, …
201379 citationsHealth benefits of tryptophan in children and adults
BN Nayak, HS Buttar - J. Pharm. Sci. Technol. Manage, 2015 - pharmacy.nmims.edu
… overview of the role of L-tryptophan in the synthesis of serotonin, … trials suggest that L-tryptophan supplementation may be … [7], the kynurenine pathway depicts an aerobic L-tryptophan …
201512 citationsMoods, emotions, and aging: Hormones and the mind-body connection
PJ Bronson - 2013 - books.google.com
… is experiencing a medical issue, professional medical help is … deaths were associated with Ltryptophan use in the United … is currently available and marketed as a dietary supplement. …
20132 citations
Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2021-10-22. DSLD Label ID: 257545. 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