L-Tryptophan 500 mg®
Amino Acids & ProteinBrand: Advanced Nutrition by Zahler
Functions
Net Contents
60 Capsule(s)
Serving Size
1 Capsule(s)
Servings Per Container
60
Supplement Form
Capsule
Bar Code (UPC/SKU)
8 48998 08124 9
Product Version
08124 001 V6
Label Analysis
Objective insights generated automatically from the official DSLD label — a quick, factual read of how this product is formulated and disclosed.
2 distinct active ingredients are disclosed in Supplement Facts.
Every active ingredient discloses a specific amount per serving.
1 ingredients report an established %DV per serving.
Label states: Vegetarian, Non-GMO, Gluten-Free, Kosher.
This analysis is generated algorithmically from label data for educational reference only. It is not a product endorsement, ranking, or medical advice.
Allergen Guide
Free From
- Milk
- 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: 1 Capsule(s) · 1 per day
| Ingredient | Amount Per Serving | % Daily Value |
|---|---|---|
| Vitamin B3 | 8.3 mg | 52% |
| L-Tryptophan | 500 mg | — |
Not Present
Other Ingredients
Target Groups
Label Claims
Directions & Suggested Use
Suggested/Recommended/Usage/Directions
Directions: Take 1 capsule daily, preferably without food, or as directed by a healthcare practitioner.
Warnings & Precautions
Precautions re: Children
Keep out of reach of children.
Precautions re: All Other
Do not use if safety seal is damaged or missing.
Precautions re: Pregnant or Nursing or Prescription Medications
If pregnant, nursing or on medication, consult with your healthcare practitioner.
Storage
Storage
Store tightly closed in a cool, dry place.
Formulation
Formulation re: Other
High potency serotonin enhancer
Formula re: Contains
L-Tryptophan is used by the brain as a precursor to serotonin and melatonin, neurotransmitters that are necessary for normal sleep. Adequate sleep is crucial for healthy immune and nervous system function. In addition, changes in the level of serotonin in the brain can impact mood and satiety.
Formula re: Kosher
Kosher Pareve Under the strict supervision of Rabbi SH. Stern & the orthodox union
Formulation re: Does NOT Contain
Non-GMO Gluten free Dairy free Soy free
Formulation re: Vegetarian/Vegan
Vegetarian friendly
Formula re: Contains
Purified L-Tryptophan
Formulation re: Other
High Potency Serotonin Enhancer Mind & spirit
Formula re: Contains
500 mg per serving
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
You may need additional supplements to support a healthy diet; consult your nutritionist for a formula that is right for you or contact us at 877-ASK-ZAHLER (877-275-9245) or ask@zahlers.com.
Seals/Symbols
Dairy (Kosher) OU (Kosher) This product was manufactured in a GMP certified Facility
Seals/Symbols
Made in the USA
Brand IP Statement(s) re: (c), (TM), (SM)
Advanced Nutrition by Zahler Feel better, everyday.
Manufacturer & Distributor
Market Reference
Advanced Nutrition L- Tryptophan 60 Capsules
Zahler Nutrition5.0(28)$22.46Kosher L- Tryptophan Bipolar Formula 60 Capsules
DoctorVicks.com$19.49Now Foods L-Tryptophan 500 mg
DPS Nutrition4.6(5600)$20.99L-Tryptophan 500mg
Fusion Specialty Pharmacy$52.98Nootropics Depot L- Tryptophan Capsules
Nootropics Depot5.0(1)$29.99Klaire Labs L- Tryptophan 90 Capsules
Covenant Health Products5.0(2)$43.99L- Tryptophan 500 mg 60 Quick Release Capsules
Walmart - PIPING ROCK HEALTH PRODUCTS, LLC4.6(7)$9.99Bestvite's L- Tryptophan 500mg (120 Vegetarian Capsules)
Bestvite4.8(10)$16.99
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.
Total Nutrition Clarksville
5.0 (185)Vitamin & supplements store
1401 Veterans Pkwy Ste 1000, Clarksville, IN 47129
Next Level Sports Nutrition
5.0 (499)Vitamin & supplements store
3050 Gottbrath Pkwy, Jeffersonville, IN 47130
GNC
4.1 (92)Vitamin & supplements store
757 E Lewis and Clark Pkwy, Clarksville, IN 47129
Steve's Natural Choice LLC
4.9 (34)Vitamin & supplements store
5550 IN-62, Jeffersonville, IN 47130
The Vitamin Shoppe
4.7 (112)Vitamin & supplements store
4600 Shelbyville Rd, Louisville, KY 40207
Creekside Outpost Herbal Supplements and vitamins
4.9 (36)Vitamin & supplements store
614 Hausfeldt Ln, New Albany, IN 47150
NormaLyte Oral Rehydration Salts
5.0 (1)Vitamin & supplements store
209 Quality Ave #1a, New Albany, IN 47150
Next Level Sports Nutrition
4.9 (779)Health food store
2115 S Hurstbourne Pkwy, Louisville, KY 40220
Research & Studies
Analysis, nutrition, and health benefits of tryptophan
M Friedman - International Journal of Tryptophan Research, 2018 - journals.sagepub.com
… , and in human fluids and tissues, the nutritional significance of l-tryptophan and its isomer d-… For example, it has been reported that the dietary supplementation of tryptophan to healthy …
2018402 citationsRole of tryptophan in health and disease: Systematic review of the anti-oxidant, anti-inflammation, and nutritional aspects of tryptophan and its metabolites
RB Singh - World Heart Journal, 2019 - search.proquest.com
… L-Tryptophan is an essential amino acid that is needed for the synthesis of proteins and … diet and will be randomized to a 3-week L-tryptophan supplement or placebo. Later, after a 2-…
201960 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
… Tryptophan-containing infant formulas help to increase nutritional, antioxidant, and antiinflammatory abilities and assist in reducing oxidative stress by scavenging highly reactive …
202230 citationsSupplementing healthy women with up to 5.0 g/d of L-tryptophan has no adverse effects
C Hiratsuka, T Fukuwatari, M Sano, K Saito… - … of nutrition, 2013 - academic.oup.com
… The nutritional consequences of deficient intake of the essential amino acid L-tryptophan (L-Trp… (Nam)7 deficiency syndrome pellagra, a nutritional disease in humans caused by protein …
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 citationsFeeding for resilience: how nutrition mediates organismal responses to temperature
EA Hardison - 2023 - search.proquest.com
… acquire essential energy and nutrients to support their physiological responses to temperature change. However, climate change is expected to impact the nutritional landscape (prey …
2023
Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2022-04-11. DSLD Label ID: 260163. 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